Probability Distributions, Probability Theory, Poisson Distribution, Binomial Distribution, Geometric Distribution.
Where: P(X = k) is the probability of needing exactly k trials to achieve the first success. 1 - p is the probability of failure in a single trial. k is the number of trials required (k = 1, 2, 3, ...). Example: Suppose we have an unbiased coin, and we want to calculate the probability of getting