Computing probabilities less than x ( $P(X\leq x)$) from the normal curve

1. On the menu bar, click on `Insert'. Select `Function'. A new window with a list of functions will appear.
2. From the functions list, select `Statistical'. For function name, select `Normdist'.
3. Enter the following arguments for Normdist:
'X' is the desired value for which you want the distribution.
Enter the appropriate mean and standard deviation.
`Cumulative' is a logical value. Type `false'.
4. Click `OK'.