From 1871 through 2016, the mean return of the Standard & Poors 500 was 10.72%. A random
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From 1871 through 2016, the mean return of the Standard & Poor’s 500 was 10.72%. A random sample of 38 years is selected from this population. What is the probability that the mean return for the sample was between 9.1% and 10.3%? Assume σ = 18.60%.
Find the indicated probability and interpret the results.
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Anurag Agrawal
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Related Book For 
Elementary Statistics Picturing The World
ISBN: 9780134683416
7th Edition
Authors: Ron Larson, Betsy Farber
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