Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Stuck on this one 14 The Scottsdale fire department aims to respond to fire calls in 5 minutes or less, on average. Response times are

Stuck on this one

image text in transcribed
14 The Scottsdale fire department aims to respond to fire calls in 5 minutes or less, on average. Response times are normally distributed with a standard deviation of 1 minute 12 seconds. Would a sample of 18 fire calls with a mean response time of 5 minutes 47 seconds provide sufficient evidence to show that the goal is not being met at a = .01? 2 (a) Choose the appropriate hypotheses. points Skipped a. He: HS 5 min vs H1: H > 5 min, Reject He if Zcalc > 2.326 b. Ho: H 2 5 min vs H1: H 2.326 eBook References O a Ob (b) Calculate the value of the test statistic. (Round your answer to 2 decimal places.) Zcalc (c) Use Excel to find the p-value. (Round your answer to 4 decimal places.) p-value (d) If a = .01, we would O Reject the null hypothesis. O Fail to reject the null hypothesis

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

More Books

Students also viewed these Mathematics questions