# NORM.S.DIST Function

The NORM.S.DIST function is one of the statistical functions. It is used to return the standard normal distribution (has a mean of zero and a standard deviation of one).

The NORM.S.DIST function syntax is:

NORM.S.DIST(z, cumulative)

where

z is the value at which the function should be calculated, a numeric value entered manually or included into the cell you make reference to.

cumulative is a logical value (TRUE or FALSE) that determines the function form. If it is TRUE, the function returns the cumulative distribution function. If it is FALSE, the function returns the probability mass function.

To apply the NORM.S.DIST function,

1. select the cell where you wish to display the result,
2. click the Insert function icon situated at the top toolbar,
   or right-click within a selected cell and select the Insert Function option from the menu,
   or click the icon situated at the formula bar,
3. select the Statistical function group from the list,
4. click the NORM.S.DIST function,
5. enter the required arguments separating them by commas,
6. press the Enter button.

The result will be displayed in the selected cell.