a) The mean amount of time a random sample of 43 Americans 16 and older spent watching television each day is 3.2 hours and it is known the population standard deviation is 0.75 hour. Construct a 99% confidence interval for the population mean amount of time Americans 16 or older watch television. Interpret your result. b) If in the above scenario, a claim is made that the population mean number of hours Americans age 16 and older watch television is 3 hours per day. Would this claim be valid or invalid, based on the results in part (a)?
a) The mean amount of time a random sample of 43 Americans 16 and older spent watching television each day is 3.2 hours and it is known the population standard deviation is 0.75 hour. Construct a 99% confidence interval for the population mean amount of time Americans 16 or older watch television. Interpret your result. b) If in the above scenario, a claim is made that the population mean number of hours Americans age 16 and older watch television is 3 hours per day. Would this claim be valid or invalid, based on the results in part (a)?
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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b) If in the above scenario, a claim is made that the population mean number of hours Americans age 16 and older watch television is 3 hours per day. Would this claim be valid or invalid, based on the results in part (a)?
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