The Owner of a Fish Market Has an Assistant Who

Multiple Choice

The owner of a fish market has an assistant who has determined that the weights of catfish are normally distributed, with mean of 3.2 pounds and standard deviation of 0.8 pound. If a sample of
64 fish yields a mean of 3.4 pounds, what is probability of obtaining a sample mean this large or
Larger?

A) 0.0001
B) 0.0013
C) 0.0228
D) 0.4987