Asked by 1 month ago
The two dams are identical with the exception that the water reservoir behind dam A extends twice the horizontal distance behind it as that of dam B. Which one of the...

1 answers and 58 views


Asked by 1 month ago
Find the equilibrium vector for the transition matrix below $$ \begin{bmatrix}0.4 & 0.4 & 0.2\\\\0.2 & 0.2 & 0.6 \\\\ 0.4 & 0.3 & 0.3\end{bmatrix} $$

1 answers and 28 views


Asked by 1 month ago
Suppose Johnson Dry Cleaning (J) has a 40% market share initially, while NorthClean (N) has a 60% market share. Use the corresponding initial probability vector and the given...

1 answers and 38 views


Asked by 1 month ago
A small town has only two dry cleaners, Johnson and NorthClean. Each customer brings in one batch of clothes per week to one of these cleaners. The following transition matrix...

1 answers and 17 views


Asked by 2 months ago
Suppose that a family has 3 children. Also, suppose that the probability of having a boy is 1/2. Find the probability that the family has at least 2 boys.

1 answers and 18 views


Asked by 2 months ago
The chickens at Colonel Thompson's Ranch have a mean weight of 1850 g, with a standard deviation of 150 g. The weights of the chickens are closely approximated by a normal...

1 answers and 6 views


Asked by 2 months ago
A company claims that 93% of its cereal boxes have at least as much cereal by weight as the amount stated on the box. a. At a quality control checkpoint, one box out of a...

1 answers and 14 views


Asked by 2 months ago
The lifetime of a machine part has a continuous distribution on the interval (0, 60) with probability density function f, where f(x) is proportional to (10 + x) -2. Calculate...

1 answers and 9 views


Asked by 2 months ago
In a certain lottery, 6 white balls from a drum with 14 balls and 1 red ball from a dmm with 38 balls are selected. For a $2 ticket, players get one chance at winning the...

1 answers and 30 views


Asked by 2 months ago
What is the probability that at least 2 people have the same birthday in a group of 16 people? Assume that there are 365 days in a year.

1 answers and 6 views


Asked by 2 months ago
In a certain Algebra and Trigonometry class, there are 18 freshmen and 26 sophomores. Of the 18 freshmen, 14 are male, and of the 26 sophomores, 20 are male. Find the...

1 answers and 5 views


Asked by 2 months ago
Find the probability of the event P(A $\cup$ B) if P(A) = 0.23 , P(B) = 0.25, and P(A $\cap$ B) = 0.17.

2 answers and 12 views


Asked by 2 months ago
Two fair dice are rolled. Determine the probability that the sum of the two dice is 6.

1 answers and 10 views


Asked by 2 months ago
Determine the probability of having 5 boys in a 5-child family. Assume equally likely outcomes.

1 answers and 5 views


Asked by 2 months ago
A coin is weighted so that tails is 5 times as likely as heads to occur. What probability should we assign to tails? to heads?

1 answers and 3 views


Asked by 2 months ago
An urn contains 4 white balls and 5 red balls. Four balls are selected. In how many ways can the 4 balls be drawn from the total of 9 balls: (a) If 3 balls are white and 1...

1 answers and 3 views


Asked by 2 months ago
How many different 12-letter words (real or imaginary) can be formed from the letters in the word TRIGONOMETRY? There are __ different 12-letter words that can be formed

1 answers and 5 views


Asked by 2 months ago
A student dance committee is to be formed consisting of 3 boys and 2 girls. If the membership is to be chosen from 8 boys and 7 girls, how many different committees are...

1 answers and 7 views


Asked by 2 months ago
In how many ways can 4 people each have different birthdays? Assume that there are 365 days in a year. There are __ ways for 4 people to have different birthdays

1 answers and 3 views


Asked by 2 months ago
How many arrangements of answers are possible for a true/false test with 9 questions? There are __ possible arrangements

1 answers and 3 views