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Suppose we are interested in the mean scores on an exam. A random sample of 36 scores is taken and gives a sample mean (sample

Suppose we are interested in the mean scores on an exam. A random sample of 36 scores is taken and gives a sample mean (sample mean score) of 68 (x=68) Assume that the population standard deviation is 3 points. Find a confidence interval estimate for the population mean exam score (the mean score on all exams). Find a 90% confidence interval for the true (population) mean of statistics exam scores.

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