Showing results for 'mat 142'

MAT 142 Problem set Unit: Sets Topic: Set Operations Directions: Solve the following problems. Please show your work and explain your reasoning. 1. U= names of the states in the United States. A= States that begin with a = {AK, AL, AZ. AR} B= States that border Mexico = {AZ, CA, NM, TX} C = States on the Pacific coast = {AL, CA, OR, WA} a. Find A ? B b. Find A ? C c. Find B C d. Find (A ? B ? C) e. Find (B ? C) ? A f. Find (A ? B) ? C 2. Let A be the set of all people who like math and B be the set of people who are good at math. a. Make a Venn...

Asked 2 years ago by Euler

0 answers and 0 views


MAT 142 Problem set Unit: Probability Topic: Permutations and Combinations Directions: Solve the following problems. Please show your work and explain your reasoning. 1. The Mathematics Department at Sun Tan University is sending a delegation of mathematicians and graduate students to a conference. They will pay for 4 mathematicians and 5 graduate students to go. If the department has 16 mathematicians and 24 graduate students, how many different delegations are possible? 2. The mathematicians at Sun Tan University have published 14 research papers this year. The department...

Asked 2 years ago by Euler

0 answers and 10 views


MAT 142 Problem set Unit: Proportional Reasoning Topic: Mathematical Reasoning Directions: Solve the following problems. Please show your work and explain your reasoning. 1) LaDonna has a banana. She eats 3/5 of it and then gives the rest to her younger brother, Hector. Hector eats 3/5 of what he was given and then gives the rest to his baby sister, Yolanda. Yolanda eats half of what she was given and then throws the rest away. What percentage of the banana was thrown away? 2) The gauge of an oil tank indicated that it was 1/7 full. After 240 gallons were added, the...

Asked 2 years ago by Euler

0 answers and 1 views


1. U= names of the states in the United States. A= States that begin with a = {AK, AL, AZ. AR} B= States that border Mexico = {AZ, CA, NM, TX} C = States on the Pacific coast = {AL, CA, OR, WA}   a. Find A  B b. Find A  C c. Find B C d. Find (AB C) e. Find (BC) A f. Find (AB) C   2. Let A be the set of all people who like math and B be the set of people who are good at math.   a. Make a Venn diagram of the situation, shading the area representing people who are good at math but dont like it. b. Make a Venn diagram of the situation, shading the area representing people who are not...

Answered 4 years ago by maddy

1 answers and 334 views


MAT 142 Problem set Unit: Proportional Reasoning Topic: Dimensional analysis Directions: Solve the following problems. Please show your work and explain your reasoning. 1. The recommended pediatric dosage of Benadryl is 1.25mg of Benadryl for every 2 kg of body weight. How much should be given to a 37lb child? 2. The Grand Prix Formula 1 race this weekend is in Singapore. The race consists of 61 laps around a 5.067km long track. At 225 miles per hour, how long will it take to go around once?

Asked 2 years ago by Euler

0 answers and 68 views


MAT 142 Problem set Unit: Sets Topic: Comparing Sets Directions: Solve the following problems. Please show your work and explain your reasoning. 1. Let U = { New York (NY), Illinois (IL), Arizona (AZ), Kansas (KS), California (CA), Texas (TX), Virginia (VA), Maryland (MD), Florida (FL) } D = { NY, IL, AZ, VA } E = { NY, IL, AZ, VA, FL } F = { AZ, CA, TX, FL } a. Is D ? E? Why or why not? b. Is D ? U? Why or why not? c. Is F ? F? Why or why not? d. Is F equivalent to D? Why or why not? e. How many subsets does the Universal Set U have?

Asked 2 years ago by Euler

0 answers and 0 views


MAT 142 Problem set Unit: Sets Topic: Survey Problems Directions: Solve the following problems. Please show your work and explain your reasoning. 1. A recent poll asked registered voters about their thoughts on the legalization of marijuana and stem cell research. The results are shown below: Support the legalization of Marijuana Support Stem-cell Research Total Male 418 535 953 Female 600 523 1123 Total 1018 1058 2076 a. How many respondents were female or supported stem cell research?? b. How many respondents were males who do not support the legalization of...

Asked 2 years ago by Euler

0 answers and 10 views


MAT 142 Problem set Unit: Probability Topic: Introduction to counting methods Directions: Solve the following problems. Please show your work and explain your reasoning. 1. Suppose you have socks loose in a drawer. You have a black sock, a gray sock and a tan sock. How many outcomes are there for selecting 2 socks? a. Make a tree diagram to model the selection of 2 socks WITHOUT REPLACEMENT. (That is, you keep the sock out of the drawer and there is now one less sock to choose from) b. How many ways can you select 2 socks without replacement? c. How many ways can you get...

Asked 2 years ago by Euler

0 answers and 0 views


MAT 142 Problem set Unit: Probability Topic: The Fundamental Counting Principle Directions: Solve the following problems. Please show your work and explain your reasoning. 1. The Belching Dragon has a family style menu. The menu is a follows: How many different meals can be made from this menu? 2. Using the digits 0 9, find out how many 4 digit numbers can be configured based on the stated conditions: a. The number cannot start with zero and no digits can be repeated. b. The number must begin and end with an odd digit. c. The number must at least 5000 and be divisible...

Asked 2 years ago by Euler

0 answers and 13 views


MAT 142 Problem set Unit: Probability Topic: Basics of Probability Theory Directions: Solve the following problems. Please show your work and explain your reasoning. 1. A jar of M&Ms contains 12 brown candies, 4 yellow candies, 2 blue candies, 5 red candies, 3 green candies and 4 orange candies. You select one at random. Find the probability that you select one that is: a. Brown b. Green or orange c. Not red d. Yellow or blue e. Yellow and blue 2. Shoppers at a local department store were asked to complete a survey of their shopping experience. The results are...

Asked 2 years ago by Euler

0 answers and 0 views


MAT 142 Problem set Unit: Statistics Topic: Organizing and Visualizing Data Directions: Solve the following problems. Please show your work, and explain your reasoning. Consider the set of test scores shown below 88 82 95 71 91 95 86 83 76 48 83 96 92 86 94 90 94 61 71 72 100 92 83 50 84 89 87 66 99 99 96 84 73 72 70 59 92 93 95 46 83 93 49 49 80 100 71 94 96 91 62 85 94 90 98 74 93 100 88 75 92 98 50 99 100 87 89 92 96 100 87 99 98 90 89 97 84 71 1. Organize the test data into a frequency table. Use classes of width 10, starting with 40. Include columns for both the...

Asked 2 years ago by Euler

0 answers and 0 views


MAT 142 Problem set Unit: Statistics Topic: Measures of Dispersion Directions: Solve the following problems. Please show your work, use proper notation and explain your reasoning. 1. Consider the following table of the ages of our first six presidents Ages of the first 6 presidents at inauguration Washington 57 J. Adams61 Jefferson 57 Madison 57 Monroe 58 JQ Adams 57 a. Find the mean of the data set b. Find the standard deviation (showing all work) c. How many of the presidents ages fall within one standard deviation of the mean? 2. Consider the following...

Asked 2 years ago by Euler

0 answers and 0 views


MAT 142 Problem set Unit: Statistics Topic: The Normal Distribution Directions: Solve the following problems. Please show your work, use proper notation and explain your reasoning. 1. The mean price per ton of grapefruit produced in the United States is $87.76 with a standard deviation of $23.87. The mean price per ton of grapes used in wine production in the United States is $125.98 with a standard deviation of $31.44. Assume the price per ton of both products is normally distributed. a. A grapefruit producer in Queen Creek, AZ sold his crop for $92.20 per ton. How...

Asked 2 years ago by Euler

0 answers and 0 views


MAT 142 Problem set Unit: Finance Topic: Simple Interest Directions: Solve the following problems. Please show your work, show the correct formula and explain your reasoning. 1. Nestor borrows $10,000 from the shady loan shark, Mr. Wildcat. Mr. Wildcat tells him he must repay the loan in 1 month and pay an additional $1000 in interest. If Mr. Wildcat is charging simple interest on his loan, what is the annual interest rate? 2. Yolanda invests her $5,000 bonus into a high yield account that earns 6.7% simple interest. She wants to buy a Burmese Rabbit Hound with the money....

Asked 2 years ago by Euler

0 answers and 3 views


MAT 142 Problem set Unit: Finance Topic: Compound Interest Directions: Solve the following problems. Please show your work, show the correct formula and explain your reasoning. 1. LaDonna uses $25,000 to purchase a 25 month CD that pays 2.47% compounded monthly. a. What is her investment worth at the end of 25 months? b. How much interest did she earn? 2. Zulemias grandparents set up an account when she was born. The account earned 4.27% compounded daily. She turned 18 today and she has $32,349.72 in the account. How much money did her grandparents deposit on the day...

Asked 2 years ago by Euler

0 answers and 3 views


MAT 142 Problem set Unit: Finance Topic: Annuities Directions: Solve the following problems. Please show your work, show the correct formula and explain your reasoning. 1. Mr. Sparky puts away $250 from each monthly paycheck into an account that returns 7.89% annual interest compounded monthly for his retirement. a. How much will Mr. Sparky have saved up in his account if he makes these deposits for 20 years? b. When he retires, he plans to live on the interest he earns each month. How much in interest will he earn each month? (assume he can get the same interest rate as...

Asked 2 years ago by Euler

0 answers and 5 views


MAT 142 Problem set Unit: Finance Topic: Amortization Directions: Solve the following problems. Please show your work, show the correct formula and explain your reasoning. 1. Miss Crystal Palace just purchased you guessed it a crystal palace for $650,000. She makes a 25% down payment and finances the balance with a mortgage at an interest rate of 5.6% for 15 years, making monthly payments. a. What amount will she borrow? b. Complete the amortization table for the first three payments. (Show all work!) 2. Hector wants to buy a new Dodge Charger. He is able to negotiate a...

Asked 2 years ago by Euler

0 answers and 12 views


1\. The Mathematics Department at Sun Tan University is sending a delegation of mathematicians and graduate students to a conference. They will pay for 4 mathematicians and 5 graduate students to go. If the department has 16 mathematicians and 24 graduate students, how many different delegations are possible? 2\. The mathematicians at Sun Tan University have published 14 research papers this year. The department chair wants to display them in the lobby. The display case can show 4 at a time. How many arrangements of 4 research papers are possible?

Answered 6 years ago by baptiste

1 answers and 1.4k views


**Age (x)            Frequency (f)** 17                           2 18                           4 19                           7 20                           6 21                           2 22                           3 25                           2 26                           3 32                           1 Total   1. Consider the...

Answered 4 years ago by bhdrkn

1 answers and 1.1k views


Q6 1. What is the area under the normal distribution curve to the left of z = 0.87? 2. What is the z-value to the right of the mean where 59.18% of the distribution lies to the left of it? 3. What z-value corresponds to the 18th percentile? 4. Using the standard normal distribution, what is P(-2.32 aurant is selected at random, what is the probability the worker earns more than $6.50 an hour? 9. Using the standard normal distribution, what is P(1.8 nd 8.27% of the distribution lies to the left of 60. What is the mean? 15. At Northwest...

Asked 2 years ago by lancer

0 answers and 9 views


Q6 1.  What is the area under the normal distribution curve to the left of z = 0.87? 2.  What is the z-value to the right of the mean where 59.18% of the distribution lies to the left of it? 3.  What z-value corresponds to the 18th percentile? 4.  Using the standard normal distribution, what is P(-2.32 < z < 1)? 5.  At a large department store, the average number of years of service was 13.5 with a standard deviation of 6.2 years. If an employee is picked at random, what is the probability that the employee has worked for the company between 8 and 20 years? 6.  Using the...

Answered 6 years ago by lancer

2 answers and 1.7k views


1) LaDonna has a banana. She eats 3/5 of it and then gives the rest to her younger brother, Hector. Hector eats 3/5 of what he was given and then gives the rest to his baby sister, Yolanda. Yolanda eats half of what she was given and then throws the rest away. What percentage of the banana was thrown away?  2) The gauge of an oil tank indicated that it was 1/7 full. After 240 gallons were added, the gauge indicated that the tank was now 4/7 full. How many gallons does the tank hold? (Assuming that the gauge is accurate)

Answered 4 years ago by DVick

1 answers and 1k views


1. The average undergraduate tuition for full-time (in-state) students at 4-year institutions increased 9.3% from 2008 to 2010. If the average cost in 2010 is $7570, what was it in 2008?   2. Studies show that for every 75¢ that women in the work force earn, men earn $1.00. Don claims that men make 25% more than women. Shynia claims men make 33% more than women. Who is correct and why?

Answered 4 years ago by baptiste

1 answers and 965 views


1\. The recommended pediatric dosage of Benadryl is 1.25mg of Benadryl for every 2 kg of body weight. How much should be given to a 37lb child? 2\. The Grand Prix Formula 1 race this weekend is in Singapore. The race consists of 61 laps around a 5.067km long track. At 225 miles per hour, how long will it take to go around once?

Answered 5 years ago by lancer

1 answers and 422 views


1\. A recent poll asked registered voters about their thoughts on the legalization of marijuana and stem cell research. The results are shown below: | | Support the legalization of Marijuana | Support Stem-cell Research | Total | |-|-|-|-| |**Male** |418 | 535 | 953 | |**Female**| 600 | 523 | 1123 | | **Total** | 1018 | 1058 | 2076 | a. How many respondents were female or supported stem cell research?? b. How many respondents were males who do not support the legalization of marijuana?? 2\. 188 ASU students, faculty, and staff were randomly surveyed and asked if they have an ASU parking...

Answered 4 years ago by bhdrkn

1 answers and 1.1k views


1. Suppose you have socks loose in a drawer. You have a black sock, a gray sock and a tan sock. How many outcomes are there for selecting 2 socks? a. Make a tree diagram to model the selection of 2 socks WITHOUT REPLACEMENT. (That is, you keep the sock out of the drawer and there is now one less sock to choose from) b. How many ways can you select 2 socks without replacement? c. How many ways can you get a black and a tan sock? 2. LaDonna works at a western themed restaurant. She has to wear jeans with a white shirt and a bola tie. She has 3 pairs of jeans, 4 white shirts and 2 bola...

Answered 3 years ago by Meghan

2 answers and 658 views


1\. The Belching Dragon has a family style menu. The menu is a follows: How many different meals can be made from this menu? 2\. Using the digits 0 9, find out how many 4 digit numbers can be configured based on the stated conditions: a. The number cannot start with zero and no digits can be repeated. b. The number must begin and end with an odd digit. c. The number must at least 5000 and be divisible by 10. (Repeated digits are okay) d. The number must less than 3000 and must be even. No digits may be repeated in the last 3 digits. (That is, 2,234 would be okay but 2,334 would not...

Answered 4 years ago by maddy

1 answers and 694 views


1. A jar of M&Ms contains 12 brown candies, 4 yellow candies, 2 blue candies, 5 red candies, 3 green candies and 4 orange candies. You select one at random. Find the probability that you select one that is: a. Brown b. Green or orange c. Not red d. Yellow or blue e. Yellow and blue   2. Shoppers at a local department store were asked to complete a survey of their shopping experience. The results are shown in the table below:   ** _Satisfied with Service          Not satisfied with Service_** _Totals_ **Made a purchase                  130...

Answered 2 years ago by Jaxon

1 answers and 357 views


1\. In a study of fatal car accidents, some accidents were attributed to high speed or drunk driving. * The probability that the fatality was attributed to high speeds was 0.57 * The probability that the fatality was attributed to drunk driving was 0.62 * The probability that high speed and drunk driving caused the accident was 0.41 _Hint: Make a Venn Diagram_ a. What is the probability that a fatal accident will be attributed to high speeds or drunk driving? b. What is the probability that a fatal accident will be attributed to neither cause? c. What is the probability that the...

Answered 4 years ago by yoKev

1 answers and 1.5k views


1. The Por Mano Tile Company imports handmade tiles from Mexico. _Saltillo_ tiles makes up 67% of their imports and the rest are _talavera_ tiles. Based on past experience, they expect 3.7% of the _Saltillo_ tiles to arrive broken and 5.4% of the _talavera_ tiles to be broken. a. Make a complete probability tree for this situation. b. Find the probability that a tile is a _talavera_ tile and is broken c. Find the probability that a tile is not broken. d. Find the probability that a _Saltillo_ tile is broken. e. Find the probability that a _talavera_ tile is not broken 2. The...

Answered 2 years ago by Jaxon

1 answers and 1.4k views


1\. A group holds a raffle to raise money. They sell 100 raffle tickets for \$5 each. There is one grand prize worth \$100, three second place prizes worth \$25 each and 5 3rd place prizes worth \$10 each. Find the expected value associated with the purchase of one ticket. (Remember to subtract the cost of playing from your winnings) 2\. I want to open a bakery and I am considering locations at two different shopping centers. Use expected value to determine which location I should use. * Location 1: According to my consultant, if the bakery is successful, I can anticipate an annual...

Answered 5 years ago by bhdrkn

1 answers and 1.2k views


Directions: Solve the following problems. Please show your work, and explain your reasoning. Consider the set of test scores shown below 88 82 95 71 91 95 86 83 76 48 83 96 92 86 94 90 94 61 71 72 92 83 50 84 89 87 66 99 99 96 84 73 72 70 59 92 93 95 46 83 93 49 49 80 71 94 96 91 62 85 94 90 98 74 93 88 75 92 98 50 99 87 89 92 96 87 99 98 90 89 97 84 71 1. Organize the test data into a frequency table. Use classes of width 10, starting with 40. Include columns for both the frequency and the relative frequency 2. Use the frequency distribution in part (1) to create a frequency...

Answered 2 years ago by Euler

1 answers and 220 views


1\. Consider the following table of the ages of our first six presidents **Ages of the first 6 presidents at inauguration** Washington   57 J. Adams         61 Jefferson        57 Madison         57 Monroe          58 JQ Adams        57  a. Find the mean of the data set b. Find the standard deviation (showing all work) c. How many of the presidents ages fall within one standard deviation of the mean? 2\. Consider the following table of the ages of our last six presidents **Ages of the last 6 presidents at inauguration** Carter...

Answered 2 years ago by Jaxon

1 answers and 851 views


1\. The mean price per ton of grapefruit produced in the United States is \$87.76 with a standard deviation of \$23.87. The mean price per ton of grapes used in wine production in the United States is \$125.98 with a standard deviation of \$31.44. Assume the price per ton of both products is normally distributed. a. A grapefruit producer in Queen Creek, AZ sold his crop for \$92.20 per ton. How many standard deviations above the mean is his price? b. A vineyard in Ukiah, CA sold his cabernet grapes for \$131.52 per ton. How many standard deviations above the mean was his price? c....

Answered 6 years ago by bhdrkn

1 answers and 391 views


1\. Nestor borrows \$10,000 from the shady loan shark, Mr. Wildcat. Mr. Wildcat tells him he must repay the loan in 1 month and pay an additional \$1000 in interest. If Mr. Wildcat is charging simple interest on his loan, what is the annual interest rate? 2\. Yolanda invests her \$5,000 bonus into a high yield account that earns 6.7% simple interest. She wants to buy a Burmese Rabbit Hound with the money. The breeder told her that a puppy would cost \$5,500. How long will Yolanda have to wait before she has \$5,500 in her savings account?

Answered 3 years ago by DVick

1 answers and 1k views


1\. LaDonna uses $25,000 to purchase a 25 month CD that pays 2.47% compounded monthly. a. What is her investment worth at the end of 25 months? b. How much interest did she earn? 2\. Zulemias grandparents set up an account when she was born. The account earned 4.27% compounded daily. She turned 18 today and she has $32,349.72 in the account. How much money did her grandparents deposit on the day she was born?

Answered 5 years ago by DVick

1 answers and 1.1k views


1\. Hector and Yolanda buy a plasma TV from Sparkys Electronics on an installment plan (simple interest add on loan). They will pay the TV off in 3 years, paying 19.25% interest. a. If the TV cost \$1299.00, what will their monthly payments be? b. If they make an \$800 down payment up front, what will their monthly payments be? 2\. The table below shows the activity on Zuliemias credit card for the month of August. She started the month with a balance of $342.25, and her credit card charges 18.5% interest. Use the _Average Daily Balance_ method to calculate her finance charges for the...

Answered 6 years ago by DVick

1 answers and 909 views


1\. Mr. Sparky puts away \$250 from each monthly paycheck into an account that returns 7.89% annual interest compounded monthly for his retirement. a. How much will Mr. Sparky have saved up in his account if he makes these deposits for 20 years? b. When he retires, he plans to live on the interest he earns each month. How much in interest will he earn each month? (assume he can get the same interest rate as in part a) 2\. LaDonna invested \$1,200 each year in an IRA for 12 years in an account that earned 5% compounded annually. At the end of 12 years, she stopped making payments to the...

Answered 5 years ago by lancer

1 answers and 339 views


1\. Miss Crystal Palace just purchased you guessed it a crystal palace for \$650,000. She makes a 25% down payment and finances the balance with a mortgage at an interest rate of 5.6% for 15 years, making monthly payments. a. What amount will she borrow? b. Complete the amortization table for the first three payments. (Show all work!) 2\. Hector wants to buy a new Dodge Charger. He is able to negotiate a price of \$21,500 for the color and options he wanted. He can secure a 48 month car loan at 6.8% if he can make a down payment of 20% of the price. a. How much are his car...

Answered 6 years ago by bhdrkn

1 answers and 720 views


**A++ Work!! 100% CORRECT AVIATION APPLICATIONS PROBLEM SET II This is the second of three aviation applications problem sets that you will complete for Math 211. It is worth 100 points or 10% of your course grade. To complete the assignment, first save this Word document on your computer or memory device. Then complete each of the problems or questions by answering the problem or question in the Word document you saved. Where appropriate, you must show your work and you must clearly indicate your answer. In some cases, showing your work can be done by pasting appropriate...

Answered 2 years ago by Descartes1650

1 answers and 3 views


b. Chapter 16, P 16-25A P 17-26A (30-35 min.) P 17-26A Req. 1 Job Cost Record JOB NO. 423 CUSTOMER NAME: Lu Technology, Co. JOB DESCRIPTION: 5,900 DVDs DATE PROMISED 4-5 DATE STARTED 4-2 DATE COMPLETED 4-3 DATE DIRECT MATERIALS DIRECT LABOR MANUFACTURING OVERHEAD ALLOCATED REQUISITION NO. AMOUNT LABOR TIME RECORD NO. AMOUNT DATE RATE AMOUNT 4 2 63 341 655 140 4 3 125%* of direct 4 2 64 675 labor cost 500 4 3 74 126 656 260 Overall Cost Summary Direct materials 1,142 Direct labor 400 Manufacturing overhead...

Answered 2 years ago by jacob

1 answers and 0 views


Chapter 03 Doing Business in Global Markets 1. Today, over 90% of the companies doing business globally believe it is important for their employees to have experience working in other countries. True False 2. Importing is the selling of products to another country. True False 3. Exporting is the selling of products to another country. True False 4. The United States imports more products and services than any nation in the world. True False 5. The United States is the largest exporter in the world. True False 6. While the U.S. is a large exporter, Germany...

Answered 2 years ago by 247OnlineHero

1 answers and 95 views


### Soil Texture ### Ecosystems and Biomes   **Instructions:** 1. Complete all questions 2. Use the accompanying notes, your text and the Internet as a reference. 3. Turn in your completed lab to the drop box marked Lab 6.   ### _Note: For all three labs, you may work with other students, but all answers must be in your own words. You will be asked to do questions similar to these on the lab quiz, which will be timed. If a classmate explains an answer to you, be sure to rewrite the answer in your own words. If you cannot do this, then you do not yet understand the material well...

Answered 5 years ago by bhdrkn

1 answers and 845 views


_A+ Grade Solution_ ####**BUS 599 Week 3 Assignment 1 - Company Description and SWOT Analysis** In this assignment, you will conduct a SWOT (Strength, Weakness, Opportunity, and Threat) analysis for the type of beverage you have selected, and for your company overall. As you work on the assignment, consider why you have chosen one type of non-alcoholic beverage over another and the reasons for that choice. As you complete your SWOT analysis, be sure to include external factors such as industry / market trends and competition, and internal factors such as your capabilities or abilities...

Answered 2 years ago by ajotatxe

1 answers and 5 views


ACC 306 Week 2 ACC 306 Week 2 Quiz Assignments E 1416 - Wilkins Food Products, Inc. - Error in amortization schedule ? LO3 Wilkins Food Products, Inc., acquired a packaging machine from Lawrence Specialists Corporation. Lawrence completed construction of the machine on January 1, 2009. In payment for the machine Wilkins issued a three- year installment note to be paid in three equal payments at the end of each year. The payments include interest at the rate of 10%. Lawrence made a conceptual error in preparing the amortization schedule, which Wilkins failed to discover until 2011....

Asked 2 years ago by 5xum

0 answers and 1 views


RES 342 Final Exam An independent consumer testing lab preformed a statistical test on 25 type-C alkaline batteries and calculated the mean life for a particular use before they failed was 22.5 hours. The distribution of the lives approximated a normal distribution. The standard deviation of the distribution was 1.1 hours. Information on the package states that the batteries should last 24 hours. The test question was if this difference between the test statistics and the stated life of the battery was significant? The .05 significant level was selected for the test. Which is the correct...

Answered 6 years ago by maddy

1 answers and 1k views


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