Mathematics, 01.04.2021 19:00, latraviacox12

Suppose scores on exams in statistics are normally distributed with an unknown population mean and a population standard deviation of three points. A random sample of 36 scores is taken and gives a sample mean (sample mean score) of 78. Find a confidence interval estimate for the population mean exam score (the mean score on all exams).

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Suppose scores on exams in statistics are normally distributed with an unknown population mean and a...