Let X₁, X2, X3, X4, X5 be an independent and identically random variables following a Binomial distribution with probability of success and 5 independent trials. a) What is the expected value of T = [(X² + X₁)? b) Find the probability distribution function of Y = Σ₁=1 X₁. Find the mean and variance of Y = ₁1X₁- c)

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