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