Asked by John
In order to estimate the mean amount of time computer users spend on the internet each month, how many computer users must be surveyed in order to be 95% confident that your sample mean is within 11 minutes of the population mean? Assume that the standard deviation of the population of monthly time spent on the internet is 197 min. What is a major obstacle to getting a good estimate of the population mean? Use technology to find the estimated minimum required sample size.
Answers
Answered by
MB
((1.645*197)/11)^2
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