# NORMAL

The NORMAL function returns a random value from a normal distribution with a specified mean and standard deviation. The result returned by NORMAL is dimensioned by all the dimensions of the mean and standard deviation expressions.

Return Value

DECIMAL

Syntax

NORMAL(mean standard-deviation)

Parameters

mean

A numeric expression that represents the mean of a normal distribution. When mean is `NA`, NORMAL returns `NA`.

standard-deviation

A numeric expression that represents the standard deviation of a normal distribution. When standard-deviation is `NA`, NORMAL returns the mean.

Examples

Example 8-39 Showing Random Values

Each of the following examples shows a random number that might be returned from a normal distribution with a mean of 0 and a standard deviation of 1.

The first time you execute the following statement,

```SHOW NORMAL(0 1)
```

it might produce the following result.

```-0.75
```

However, when you execute the same statement again, it might produce the following result.

```0.87
```