Multiple Choice
If the mean of a random sample of size 400 is used to estimate the mean of an infinite population with a standard deviation of 60 , the probability is 0.95 that the error is less than
A) 1.96 .
B) 117.6 .
C) 3.92 .
D) 5.88 .
Correct Answer:
Verified
Correct Answer:
Verified
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