# The Excel function: NORM.INV

## Syntax

NORM.INV(probability,mean,standard_dev)

The NORM.INV function syntax has the following arguments (argument: A value that provides information to an action, an event, a method, a property, a function, or a procedure.):

**Probability**Required. A probability corresponding to the normal distribution.**Mean**Required. The arithmetic mean of the distribution.**Standard_dev**Required. The standard deviation of the distribution.