Refer to the information in Exercise 3a above a How large
Refer to the information in Exercise 3a above.
a. How large a sample would be required to estimate the average number of web pages visited per month by Canadian Internet users to within 100 pages, with 95% confidence?
b. How large a sample would be required to estimate the average number of web pages visited per month by Canadian Internet users to within 50 pages, with 95% confidence?
c. How large a sample would be required to estimate the average number of web pages visited per month by Canadian Internet users to within 10 pages, with 95% confidence?
d. Compare your answers to parts a, b, and c of this question. What happens to the sample size required as the desired level of accuracy increases?
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