Suppose that X has an exponential distribution with parameter S. Which distribution does Y = 2A B have? O N(0, 1) O Weibull distribution O X2 oxSuppose X has a normal distribution with expectation / and variance o'. Which distribution does Y =- ( X-4) have? 02 O Xa O X3 Ox O N(0, 1)Suppose X1, X2, ..., Xn ~ iid Poisson(#1) and Xn+1, Xn+2, ..., X2n ~ iid Poisson(#42). What is the distribution of Y = ] Xi? O Xin O Something else O Poisson(n(#1 + #2)) O Poisson(#1 + #2)Suppose X1, X2, . .., Xn ~ iid N(0, 1). Which distribution does _ X? have? O N(0, 1) O Something else O Xin O XHSuppose Xi ~ N(ui, 0;), i = 1,..., n and that we have two constants a and b. Which distribution does a + 1bX; have? O N(0, 1) O Something else O Na+ El, by;, El, boo?)Suppose we have X1, . .., X, iid Bernoulli distributed random variables with unknown parameter p E [0, 1]. Which one of the 4 choices is the best unbiased estimator? Op = =(X1 + Xn) Op = X1 Op = LEM Xi Op = (1+>Xi)Suppose X1, X2, ..., Xn ~ iid Gamma distributed with parameters o and B. Which distribution does = _1 1 X; have? O Weibull with parameters no and B. O X2n O X20