Question

A set of data items is normally distributed with a mean of 240 and a standard deviation of 32. Convert 112 to a​ z-score.

Answer 1

The formula to find a z-score is as follows:
$z=\frac{x-\mu}{\sigma}$
The z-score for x = 112 is:
$z=\frac{112-240}{32}=-4$
The answer is: -4