# Question #d87c1

##### 1 Answer

Feb 20, 2016

If 25% lies in the **middle** of the distribution, 75% must lie outside it.

Also, **left** of -z or more simply, #37.5%+25%=62.5% lies to the **left** of z ...

#### Explanation:

Now use a **Standard Normal Table** to look up z:

And, because the Standard Normal is **perfectly symmetric** ...

Now, check the answer ...

hope that helped