A random variable X has a probability generating function
PX(s) = (2 + s)/(4-s)
.
(i) Determine E3X
(ii) P rob(X = 1)
A random variable X has a probability generating function PX(s) = (2 + s)/(4-s) . (i) Determine E3X (ii) P rob(X = 1)
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A random variable X has a probability generating function PX(s) = (2 + s)/(4-s) . (i) Determine E3X (ii) P rob(X = 1)
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