The mean television viewing time for Americans is 15 hours per week (Money, November 2003). Suppose a
Question:
Assume the population standard deviation for weekly viewing time is σ = 4 hours.
a. What is the probability the sample mean will be within 1 hour of the population mean?
b. What is the probability the sample mean will be within 45 minutes of the population mean?
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With n 60 the central limit theorem allows us to conclude the sampl...View the full answer
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Related Book For 
Statistics For Business And Economics
ISBN: 9780538481649
11th Edition
Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams
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