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A simple random sample of 50 items from a population with 6

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A simple random sample of 50 items from a population with =6 resulted in a sample mean of 32. Provide a 90% confidence interval for the population mean.

A. 34 +/- 1.3
B. 28 +/- 1.7
C. 30 +/- 2.2
D. 32 +/- 1.4

Reference no: EM13630521

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