Question: The random sample shown below was selected from a normal distribution. 7, 7, 4, 4, 8, 6 Complete parts a and b. . . .

The random sample shown below was selected from a normal distribution. 7, 7, 4, 4, 8, 6 Complete parts a and b. . . . . . a. Construct a 99% confidence interval for the population mean u. (Round to two decimal places as needed.)

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