Question

According to Runzheimer International, a typical business traveler spends an average of $281 per day in Chicago. This co...


According to Runzheimer International, a typical business traveler spends an average of $281 per day in Chicago. This cost includes hotel, meals, car rental, and incidentals. A survey of 70 randomly selected business travelers who have been to Chicago on business recently is taken. For the population mean of $281 per day, what is the probability of getting a sample average of more than $266 per day if the population standard deviation is $47?


Appendix A Statistical Tables https://education.wiley.com/was/ui/v2/assessment-player/index.html?launchId=2333882f-0c41-4ee5-8a4b-7f87d5b49481#



(Round the values of z to 2 decimal places, e.g. 15.25. Round your answer to 4 decimal places, e.g. 0.2513.)

 

 

Answer

Given, That

Spends an average of $281 per day

Survey of the 70 randomly selected 

Standard deviation is $47

Operations Management homework question answer, step 2, image 1

Probability = 0.9961

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