Multiple Choice
It is known that the variance of a population equals 1,936. A random sample of 121 has been selected from the population. There is a .95 probability that the sample mean will provide a margin of error of _____.
A) 7.84 or less
B) 31.36 or less
C) 344.96 or less
D) 1,936 or less
Correct Answer:

Verified
Correct Answer:
Verified
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