The time it takes to complete a test is
normally distributed with a mean of 45
minutes and a standard deviation of 12
minutes. If Nick took an hour and 8 minutes
to complete the test, find his z-score to the
nearest hundredth of a second.
I

Step-by-step explanation:

The z-score is defined

Where is the mean, is the standard deviation and the data value.

In this case, we have

Replacing values, we have

Therefore, the z-score is -3.08, approximately.

answer: '

the distance between points l and m

step-by-step explanation: