To
estimate the average annual expenses of students on books and class
materials a sample of size 36 is taken. The mean is $850 and the
standard deviation is $54. A 99% confidence interval for the population
mean is
A. $823.72 to $876.28
B. $825.48 to $874.52
C. $826.82 to $873.18
D. $832.36 to $867.64
A. $823.72 to $876.28
B. $825.48 to $874.52
C. $826.82 to $873.18
D. $832.36 to $867.64
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