Question

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

Answer 1

Given

The mean of 89

The standard deviation of 7

Solution$Z=\frac{x-\mu}{\sigma}$

Where

$\begin{gathered} x=82 \\ \sigma=7 \\ \mu=89 \end{gathered}$$Z=\frac{82-89}{7}=-1$The final answerOption B$0.16$