Question: a) [3 marks] Let X be a discrete random variable whose moment generat- ing function is 4x (t ) = (e -2t te+ltet tet ).

a) [3 marks] Let X be a discrete random variable whose

a) [3 marks] Let X be a discrete random variable whose moment generat- ing function is 4x (t ) = (e -2t te"+ltet tet ). Find P(X > 0|X 4 {-1, 1 })

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