Question: Calculate the margin of error in estimating a population mean for these values: a. n = 30, 2 = .2 b. n = 30,

Calculate the margin of error in estimating a population mean µ for these values:
a. n = 30, σ2 = .2
b. n = 30, σ2 = .9
c. n = 30, σ2 = 1.5

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