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=(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`