Question: please help 2. You are given the following probability generating function for Y: PYCE) = 2.5(t1) (a) Calculate the variance of Y using derivatives of

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2. You are given the following probability generating function for Y: PYCE) = 2.5(t1) (a) Calculate the variance of Y using derivatives of this probability generating function and check against the corresponding variance formula for this random variable. (b) Calculate F1412)

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