Res 342 Week 3 Etext Answers

Res 342 Week 3 Etext Answers


S
Asked by 2 years ago
0 points

Res 342 Week 3 Etext Answers

Week 3 E-Text

RES/342

Week 3 E-Text

In Dallas, some fire trucks were painted yellow (instead of red) to heighten their visibility. During a test period, the fleet of red fire trucks made 153,348 runs and had 20 accidents, while the fleet of yellow fire trucks made 135,035 runs and had 4 accidents. At ? .01, did the yellow fire trucks have a significantly lower accident rate? (a) State the hypotheses. H0: p1 ? p2 H1: p1 p2 (b) State the decision rule and sketch it. Reject the null hypothesis if the critical value is less than and the p-value is greater than .01.

(c) Find the sample proportions and z test statistic.

P1 4135,035 .00002962 p2 20153,348 .00013042

P x1 x2n1 n2 420135,035153,348 .00008322

...

Res 342
solarc

1 Answer

S
Answered by 2 years ago
0 points

Oh Snap! This Answer is Locked

Res 342 Week 3 Etext Answers

Thumbnail of first page

Excerpt from file: Res342Week3EtextAnswers Week3EText RES/342 Week3EText InDallas,somefiretruckswerepaintedyellow(insteadofred)to heightentheirvisibility.Duringatestperiod,thefleetofredfiretrucks made153,348runsandhad20accidents,whilethefleetofyellowfire trucks made 135,035 runs and had 4 accidents. At

Filename: res-342-week-3-etext-answers-51.docx

Filesize: < 2 MB

Downloads: 0

Print Length: 4 Pages/Slides

Words: 313

Your Answer

Surround your text in *italics* or **bold**, to write a math equation use, for example, $x^2+2x+1=0$ or $$\beta^2-1=0$$

Use LaTeX to type formulas and markdown to format text. See example.

Sign up or Log in

  • Answer the question above my logging into the following networks
Sign in
Sign in
Sign in

Post as a guest

  • Your email will not be shared or posted anywhere on our site
  •  

Stats
Views: 2
Asked: 2 years ago

Related