EXCEL NORM.DIST FUNCTION

The Excel NORM.DIST function computes the Normal Probability Density Function or the Continuous Normal Gaussian Distribution for a given x value and distribution mean and standard deviation.

Syntax :

=NORM.DIST( xmeanstandard_devcumulative )

Parameters :

  • The following argument are:

x –

  • The value at which the distribution function should be evaluated.

mean –

  • The distribution’s arithmetic mean.

standard dev –

  • The distribution’s standard deviation.

cumulative –

  • A logical argument indicating the type of distribution to be used:
    TRUE denotes Cumulative Normal Distribution Function.
    Normal Probability Density Function = FALSE

Step By Step Guide of NORM.DIST Function

Example :

The Normal Probability Distribution Function is depicted on the right, with a mean of 40 and a standard deviation of 20.

If you wish to determine the value of this equation at x = 50, use the Excel Norm.Dist method, as shown below:

  • #NUM! – This error occurs if the given standard dev parameter is 0.
  • #VALUE! – Occurs if any of the given parameters is not a numeric or logical value.

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