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Find the margin of error in using a sample size of 60 to predict the population mean at the90% confidence level. (a) Given =12 A.

Find the margin of error in using a sample size of 60 to predict the population mean at the90% confidence level.

(a) Given =12

A.1.99

B.2.59

C.2.01

D.2.55

(a) Given s= 12

A.2.55

B.2.01

C.1.99

D.259

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