Bernoulli trials - Math Help Forum

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$Old$ October 28th, 2009, 05:52 PM

bart203 $bart203 is offline$

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$Default$ Bernoulli trials

Let X be the number of Bernoulli (p) trials required to produce at least one success and at least one failure. Find
a) the distribution of X
b) E(X)
c) Var(X)

I'm not really sure how to set this up ... any help would be great thanks!

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