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13 December, 01:52

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

+4
Answers (1)
  1. 13 December, 05:18
    0
    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
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