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Mathematics, 06.05.2020 06:25 animexcartoons209

ASK YOUR TEACHER In order to estimate the average time spent on the computer lab terminals per student at a local university, data were collected for a sample of 99 students over a one-week period. The sample had a standard deviation of 1.8 hours. If the sample mean is 9.9 and the margin of error for a 90% confidence interval is 0.3, then the upper limit for a 90% confidence interval is

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