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