Find the mean and variance of x using the cf

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Question: Bernoulli trials. Consider a sequence of Bernoulli trials with probability of success p, and that of failure q = 1 - p. The number of trials that precede the first success is a discrete RV, which we denote by X.

(a) Find the probability distribution of X.

(b) Find the mean and variance of X using the CF of this distribution.

Reference no: EM131550236

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