SAT, 18.12.2021 22:10 shahedalahmad2017

The owner of a meat market has an assistant who was 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 of this sample mean?.

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