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 rainbow trout are normally distributed,with mean of 3.2 kilograms and standard deviation of 0.8 kilogram.
-If a sample of 25 fish yields a mean of 3.6 kilograms,what is the Z-score for this observation?

A) 1.875
B) 18.750
C) 2.500
D) 0.750