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Calculate the margin of error and construct the confidence interval for the population mean. a. x=9.65,n=138,=1.13,=0.2 b. x=4.34,n=176,=0.5,=0.05

Calculate the margin of error and construct the confidence interval for the population mean.

a.x=9.65,n=138,=1.13,=0.2

b.x=4.34,n=176,=0.5,=0.05

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