1. The mean television viewing time for teens is 3 hours per day. Assume the population mean is 3 and the population standard deviation is known to be 1.2 hours. Suppose a sample of 50 teens will be used to monitor television viewing time.© BrainMass Inc. brainmass.com June 4, 2020, 12:34 am ad1c9bdddf
This problem demonstrates how to calculate a standard error and how to determine probabilities using z-scores.