Unformatted text preview: P ( X = n ) = (1p ) n1 p . Such a random variable is said to have a geometric distribution. Let’s ﬁnd the expectation of X . We need to evaluate ∞ X n =1 n (1p ) n1 p. 7...
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This note was uploaded on 12/29/2011 for the course MATH 316 taught by Professor Ansan during the Spring '10 term at SUNY Stony Brook.
 Spring '10
 ansan

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