The number of trials.
The probability of success in each trial.
The number of successes in trials.
A number enabling this function to return the probability that the
number of successful trials will be between the
SuccessCount1 parameter and the
parameter. If omitted, it is assumed to be equal to the
A probability for a binomial distribution over an interval.
Returns the probability for a binomial distribution over an interval.
Returns roughly 0.05 (5%), the binomial distribution based on the probability of 50 successes in 70 trials and a 78% probability of success.