Suppose that the amount of time teenagers spend on the internet 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.
A)Determine the 95% confidence interval estimate of the population mean.
____________________ to ____________________
B)Interpret what the interval estimate in part (a)tells you.

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The Answer of Suppose that the amount of time teenagers spend on the internet 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.
A)Determine the 95% confidence interval estimate of the population mean.
____________________ to ____________________
B)Interpret what the interval estimate in part (a)tells you.

Suppose That the Amount of Time Teenagers Spend on the Internet