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The Owner of a Fish Market Has an Assistant Who

Question 142

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) 1.875
C) 0.750
D) 2.500

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