Suppose a normal distribution has a mean of 89 and astandard deviation of 7.

Yury Imashev asked Feb 13, 2023

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10 votes

Yury Imashev asked Feb 13, 2023

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11 votes

Given

The mean of 89

The standard deviation of 7

Solution
$Z=(x-\mu)/(\sigma)$

Where

$\begin{gathered} x=82 \\ \sigma=7 \\ \mu=89 \end{gathered}$
Z=(82-89)/(7)=-1

The final answerOption B
0.16

Carl Dacosta answered Feb 18, 2023

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