Question: Forageometricrandomvariablewithprobabilityfunction(2.1),showthat (a) the cdf is F(y) = 1 (1 )y for y = 1, 2, ...; (b) E(Y ) = 1~.

Forageometricrandomvariablewithprobabilityfunction(2.1),showthat

(a) the cdf is F(y) = 1 − (1 − π)y for y = 1, 2, ...;

(b) E(Y ) = 1~π.

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