Maddie7670 Maddie7670

21-03-2018
Mathematics

contestada

Suppose the test scores of students in a class are normally distributed with a mean of 92 and a standard deviation of 3.

What is the z-score for a student who scored 86 on a test?

−6

−2

2

6

Respuesta :

markedu markedu

21-03-2018

-2 since 86-92/3 = -6/3 which is -2

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