What is the z-score of a value that is 2.08 standard deviations greater than the express the answer as a decimal. show me how to answer the question i'm confused. for whomever .

Is there something else to this question?

For example the numbers 45 and 20

There should be a dialogue question. Let's assume we gathered files and they were distributed with a mean of 45 minutes and a standard deviation of 12 minutes.

Now let's assume some random person had to wait less than 20minutes
Now to calculate the z-score we will use

This gives us a z-score of 2.08