NORMSDIST

Description: Returns the standard normal cumulative distribution. The distribution has a mean of 0 (zero) and a standard deviation of one. Use this function in place of a table of standard normal curve areas.

Syntax: NORMSDIST(Z)

• Z is the value for which you want the distribution.

Remarks:

• Z must be a number.
• The equation for the standard normal density function is:

• When used in an event analysis flowchart, Z must evaluate to a numerical value. It can include:

• Numerical values

• Standard operands (+, -, *, /)

• Predefined mathematical functions (exp, log, sin, etc.)

• Event analysis internal functions

• Event analysis resources

• References to any ReliaSoft Workbooks

Example:

• NORMSDIST(1.333333333) = 0.908789