Mathematics, 03.08.2021 03:50 Svetakotok
A corporation monitors time spent by office workers browsing the web on their computers instead
of working. In a sample of computer records of 31 workers, the average amount of time spent
browsing in an eight-hour work day was 63 minutes with standard deviation 2.1 minutes. Construct
a 99% confidence interval for the mean number of minutes the office workers spend browsing the
web.
Report the answer accurate to four decimal places
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Answers: 2
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