Essay
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 is computed as 6.5 hours.
Determine the 95% confidence interval estimate of the population mean. Interpret
Correct Answer:
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6.206 to 6.794 hours.
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Correct Answer:
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We are 9...
View Answer
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