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Question 4 Assume that a sample is used to estimate a population mean . Find the 9% confidence interval for a sample of size 51

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Question 4 Assume that a sample is used to estimate a population mean . Find the 9% confidence interval for a sample of size 51 with a mean of 38.7 and a standard deviation of 8.7. Enter your answer as an open- interval (i.e., parentheses) accurate to 3 decimal places. 99% C.I. = Answer should be obtained without any preliminary rounding. Question Help: Message instructor Submit

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