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Mathematics, 03.06.2021 20:00 ej02duncan1

The class is taking a gym test. Two friends, Amanda and Jerry are taking notes of how many sit-ups they can do in a minute. The count for the population is normally distributed, with a mean of 36 sit-ups and a standard deviation of 4 sit-ups. Amanda's z-score is 2.5 and Jerry's is 0.5.

How many more sit-ups did Amanda do than Jerry?
A. 14 sit-ups

B. 12 sit-ups

C. 10 sit-ups

D. 8 sit-ups

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Answers: 3

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