The probability that in a sequence of independent trials, each with equal probability of success, $p$, the first success at trial $x$ is: $p ^ { x - 1 } ( 1 - p )$.

Name: The probability that in a sequence of independent trials, each with equal probability of success, $p$, the first success at trial $x$ is: $p ^ { x - 1 } ( 1 - p )$.
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Question

Quizplus · Accepted Answer

The correct probability is $ (1 - p)^{x - 1} p $, where $ (1 - p)^{x - 1} $ represents the probability of $x-1$ failures followed by a success.

The Probability That in a Sequence of Independent Trials, Each ppp

The Probability That in a Sequence of Independent Trials, Each $p$