# Normal p1 p2

*New in Analytica 6.0*

## Normal_p1_p2( q1, q2, p1, p2 )

This distribution function found in the Distribution Variations library defines a Normal distribution given any two percentile estimates. «q1» and «q2» are the percentile estimates, and «p1» and «p2» specify which percentiles these are. It must be that $ q1<q2 $ and $ p1<p2 $.

For example, given that the 5% percentile is 5 and the 25% percentile is 8, the distribution is

As with other distribution functions, you can also use this distribution in the function Random.

## Library

To use this function, you must first use **Add Library** to add the Distribution Variations Library to your model.

## See Also

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