Drivers in Wyoming drive more miles yearly than motorists in any other state. The annual number of
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Drivers in Wyoming drive more miles yearly than motorists in any other state. The annual number of miles driven per licensed driver in Wyoming is 22,306 miles. Assume the standard deviation is 5500 miles. A random sample of 200 licensed drivers in Wyoming is selected and the mean number of miles driven yearly for the sample is calculated.
a. What value would we expect for the sample mean?
b. What is the standard error for the sample mean?
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a We expect the sample mean to be 22306 miles b The standar...View the full answer
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Related Book For 
Introductory Statistics Exploring The World Through Data
ISBN: 9780135163146
3rd Edition
Authors: Robert Gould, Rebecca Wong, Colleen N. Ryan
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