Suppose the number of dropped footballs for a wide receiver, over the course of a season, are normally distributed with a mean of 16 and a standard deviation of 12. What is the z-score for a wide receiver who dropped 13 footballs over the course of a season?

A. - 3

B. - 1.5

C. 1.5

D. 3

Question

Esther

13 December, 01:52

+4

Answers (1)

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Dorian Villa · Answer 1

Given:

mean = 16

standard deviation = 12

variance = 144

z = (x - μ) / σ

z = (13 - 16) / 12

z = - 3 / 12

z = - 1/4 or - 0.25

Suppose the number of dropped footballs for a wide receiver, over the course of a season, are normally distributed with a mean of 16 and a standard deviation of 12. What is the z-score for a wide receiver who dropped 13 footballs over the course of a season?A. - 3B. - 1.5C. 1.5D. 3