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Home Q & A Board Science-Related Homework Help Mathematics
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tmontes00 tmontes00
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6 years ago
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 and interpret the 90 confidence interval estimate of the population mean.
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#1
6 years ago
LCL = 6.25 and UCL = 6.75 (hours per week). Repeated samples correctly estimate this average 90 of the time.
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