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Confidence interval for mean time taken-statistics students

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Reference no: EM13122051

Random sample of 15 statistics students showed that the mean time taken to solve a computer assignment is 21 minutes with a standard deviation of 3 minutes. Construct a 99% confidence interval for the mean time taken by all statistics students to solve the computer assignment. Assume that the time taken to solve this computer assignment by all students folows a normal distribution.

Reference no: EM13122051

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