You intend to estimate a population mean μμ with the following sample. 42.8 32.8 58.4 51.9 54.9 37.9 37.9 49.6 You believe the population is normally distributed. Find the 99.5% confidence interval. Enter your answer as an open-interval (i.e., parentheses) accurate to twp decimal places (because the sample data are reported accurate to one decimal place). 99.5% C.I. =  Answer should be obtained without any preliminary rounding. However, the critical value may be rounded to 3 decimal places.

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You intend to estimate a population mean μμ with the following sample.

42.8
32.8
58.4
51.9
54.9
37.9
37.9
49.6



You believe the population is normally distributed. Find the 99.5% confidence interval. Enter your answer as an open-interval (i.e., parentheses) accurate to twp decimal places (because the sample data are reported accurate to one decimal place).

99.5% C.I. = 

Answer should be obtained without any preliminary rounding. However, the critical value may be rounded to 3 decimal places.

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