Question 1178398
<pre>
On your TI-84, press 2nd vars 2, then if your calculator is not old, you
will see:

     lower: -1E99    <-- to get the "E" press 2nd and then the comma key.
     upper:2.45
     &mu;:0
     &sigma;:1 
     Paste

Select Paste, press enter

If your calculator is old, then make it read

normalcdf(-1E99,2.45,0,1)   

[to get the "E" press 2nd and then the comma key.]

press enter

0.9928571853  <-- round to 0.9929

Edwin</pre>