Problem #4: As research for an article a reporter wants to estimate the average cost of a hotel room in downtown Denver. They used the Yellow Pages to get a random sample of 40 hotels in Denver. The sample average room rate was $148.75 with a population standard deviation is $56.90. (a) Find a 95% confidence interval for the average hotel room cost in downtown Denver. Show work.
Problem #4: As research for an article a reporter wants to estimate the average cost of a hotel room in downtown Denver. They used the Yellow Pages to get a random sample of 40 hotels in Denver. The sample average room rate was $148.75 with a population standard deviation is $56.90. (a) Find a 95% confidence interval for the average hotel room cost in downtown Denver. Show work.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Transcribed Image Text:Problem #4: As research for an article a reporter wants to estimate the average cost of a hotel room in
downtown Denver. They used the Yellow Pages to get a random sample of 40 hotels in Denver. The sample
average room rate was $148.75 with a population standard deviation is $56.90.
(a) Find a 95% confidence interval for the average hotel room cost in downtown Denver. Show work.
(b) Interpret the confidence interval in a clear sentence in context to the problem.
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