In this case, the threshold corresponding to theprobabilityof 0.84134 is equal to 5.
The PDF returns the values of points on the curve.
The CDF returns the area under the curve to the left of a value.
NORM.INV Function
The Excel NORM.INV function returns the inverse of the normal cumulative distribution for the specified mean and standard deviation. Given the probability of an event occurring below a threshold value, the function returns the threshold value associated with the probability.
