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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 408 Weeks Ago, 4 Days Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Suppose that Y is a random variable that takes on only integer values 1, 2, . . . . Let F(y) denote the distribution function of this random variable. As discussed in Section 4.2, this distribution function is a step function, and the magnitude of the step at each integer value is the probability that Y takes on that value. Let U be a continuous random variable that is uniformly distributed on the interval (0,1). Define a variable X such that X = k if and only if F(k−1) U ≤ F(k), k = 1, 2, . . . . Recall that F(0) = 0 because Y takes on only positive integer values. Show that P(X = i ) = F(i )− F(i −1) = P(Y = i ), i = 1, 2, . . . . That is, X has the same distribution as Y .
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