MathStatisticsQ&A Library4 of 19 (2 complete) HW S 6.3.27-T The random sample shown below was selected from a normal distribution. 8, 4, 6, 6, 3, 9 Complete parts a and b. a. Construct a 90% confidence interval for the population mean u. (Round to two decimal places as needed.) click Check Answer Enter your answer in the edit fields and then Clear A parts remaining 2 Z W a search

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