# Let the random variable X denote the number of trials in excess of r that are required to achieve the rth success in a series of independent trials, where p is the probability of success at any given trial. Show that py(k) = p (p k0,1,2,..

Let the random variable X denote the number of trials in excess of r that are required to achieve the rth success in a series of independent trials, where p is the probability of success at any given trial. Show that

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**Related Book For**

## Introduction To Mathematical Statistics And Its Applications

5th Edition

Authors: Richard J. Larsen, Morris L. Marx

ISBN: 9780321693945