(CO7) A state Department of Transportation claims that the mean wait time for various services at...

60.1K

Verified Solution

Question

Basic Math

(CO7) A state Department of Transportation claims that the meanwait time for various services at its different location is morethan 6 minutes. A random sample of 16 services at differentlocations has a mean wait time of 9.5 minutes and a standarddeviation of 7.6 minutes. At ?=0.01, can the department’s claim besupported assuming the population is normally distributed?
@See text page 382
Yes, since p of 0.043 is greater than 0.01, fail to reject thenull. Claim is null, so is supported
No, since p of 0.043 is greater than 0.01, reject the null.Claim is null, so is not supported
No, since p of 0.043 is greater than 0.01, fail to reject thenull. Claim is alternative, so is not supported
Yes, since p of 0.043 is less than 0.09, reject the null. Claimis alternative, so is supported

Answer & Explanation Solved by verified expert

3.8 Ratings (362 Votes)

SolutionGivenSample size n 16Sample mean Sample Standard Deviation s 76Level of significance 001Claim the mean wait time for various servicesat its different location is more than 6minutesWe have to See Answer

Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:

Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!

Become a Member