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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 218 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.
What is a major obstacle to getting a good estimate of the population? mean?
A. It is difficult to precisely measure the amount of time spent on the? internet, invalidating some data values.
B. There may not be 1 comma 1,509 computer users to survey.
C. The data does not provide information on what the computer users did while on the internet.
D. There are no obstacles to getting a good esitmate of the population mean.
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