Geometric Distribution Formula

The geometric distribution is related to geometric probability. For example, consider a sequence of trials, where each trial has only two possible outcomes of success or failures. The probability of success is assumed to be the same for each trial. In such a sequence of trials, the geometric distribution is useful to model the number of failures before the first success. Here is the geometric distribution formula to calculate the geometric probability distribution values.

Geometric Probability Distribution Formula


P(x) = qxp

Where ,

p = Probability of success for a single trial
q = Probability of failure for a single trial ( = 1-p )
x = Total Occurrence - 1

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