Confidenceinterval for the population mean

Reference no: EM13338469

To estimate the average annual expenses of students on books andclass materials a sample of size 36 is taken. The mean is850$ and the standard deviation is 54$. A 99% confidenceinterval for the population mean is:

A) 823.72-876.28

B) 826.82-873.18

C) 825.48-874.52

D) 832.36-867.64

Reference no: EM13338469

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