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littlej_dvine littlej_dvine
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6 years ago
The owner of a meat market has an assistant who has determined that the weights of roasts are normally distributed, with a mean of 3.2 pounds and standard deviation of 0.8 pounds. If a sample of 25 roasts yields a mean of 3.6 pounds, what is the Z-score for this sample mean?
 a. -2.50 c. -0.50
  b. 2.50 d. None of these choices.
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wrote...
6 years ago
B
littlej_dvine Author
wrote...
6 years ago
Excellent response
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