CRITBINOM function returns the smallest value for which thecumulative is greater than or equal to a given value. @n is the number of trials, @p is the probability of success in trials, and @alpha is the criterion value.
If @trials is a non-integer it is truncated. If @trials < 0 CRITBINOM returns #NUM! error. If @p < 0 or @p > 1 CRITBINOM returns #NUM! error. If @alpha < 0 or @alpha > 1 CRITBINOM returns #NUM! error.
This function is Excel compatible.