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The Owner of a Fish Market Has an Assistant Who

Question 12

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
25 fish yields a mean of 3.6 pounds, what is the Z-score for this observation?


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

Correct Answer:

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