Essay
THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
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.
Correct Answer:

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± zα/2 σ/
= 6.5 ± (...View Answer
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Correct Answer:
Verified
± zα/2 σ/
= 6.5 ± (...
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
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