The class scores of a history test have a normal distribution with a mean mu is equal to 79 and a standard deviation sigma is equal to 7 If Opal’s test score was 72 , which expression would she write to find the z -score of her test score?

Question

Revolt · Accepted Answer

z is equal to the fraction with numerator 72 minus 79 and denominator 7

Pretest

The class scores of a history test have a normal distribution with a mean mu is equal to 79 and a standard deviation sigma is equal to 7 If Opal’s test score was 72 , which expression would she write to find the z -score of her test score?

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Pretest

The class scores of a history test have a normal distribution with a mean mu is equal to 79 and a standard deviation sigma is equal to 7 If Opal’s test score was 72 , which expression would she write to find the z -score of her test score?

More from this Course