YQ test scores are normally distributed with a mean of 100 and a standard deviation of 15.An individual's IQ score is found to be 110.Find the z-score corresponding to this value.

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LeoColman asked Feb 15, 2023

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YQ test scores are normally distributed with a mean of 100 and a standard deviation of 15.An individual's IQ score is found to be 110.Find the z-score corresponding to this value.

Mathematics
college

LeoColman asked Feb 15, 2023

by LeoColman

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23 votes

ANSWER :

0.6667

EXPLANATION :

The z score formula is :

z = (x - mean)/(standard deviation)

Using the formula :

z = (110 - 100)/15

z = 0.6667

Banno answered Feb 20, 2023

by Banno

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