Question 1087087
<pre><b>

On your TI-83 or 84

Press ON
Press CLEAR

Press 2ND
Press VARS
Press 3   for   3:invNorm(

You see on the screen:

invNorm(

Make it read 

invNorm(.7962)

Press ENTER

See .8281244941

Answer is .8281 if shaded area is to the left, or
-.8281 if shaded area is to the right.

Edwin</pre>