A school principal gave a spelling test to 256 students. The distribution of scores was found to be normal with a mean of 42 and a standard deviation of 8 points. The probability is 0.95 that the mean of the corresponding population would be less than the upper limit of

A school principal gave a spelling test to 256 students. The distribut

1.	A school principal gave a spelling test to 256 students. The distribution of scores was found to be normal with a mean of 42 and a standard deviation of 8 points. The probability is 0.95 that the mean of the corresponding population would be less than the upper limit of
A.	42.58
B.	42.98
C.	43.29
D.	43.58
Answer» C. 43.29

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A school principal gave a spelling test to 256 students. The distribution of scores was found to be normal with a mean of 42 and a standard deviation of 8 points. The probability is 0.95 that the mean of the corresponding population would be less than the upper limit of

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