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Title: Suppose that the amount of time teenagers spend playing computer games per week is normally ... Post by: lingo on Jan 26, 2018 Suppose that the amount of time teenagers spend playing computer games per week is normally distributed with a standard deviation of 1.5 hours. A sample of 100 teenagers is selected at random, and the sample mean computed as 6.5 hours. Determine the 95 confidence interval estimate of the population mean if the population standard deviation is changed to 1.2.
Title: Suppose that the amount of time teenagers spend playing computer games per week is normally ... Post by: tgreen77 on Jan 26, 2018 LCL = 6.26 and UCL = 6.74 (hours per week)
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