2. If XiUnif(2,8), i.e., the uniform distribution in an interval [2,8], for i=1,,30, then X=301i=130Xi follows (A) N(5,0.1) (B) N(5,3) (C) N(2,0.1) (D) N(2,0.033) 3. Continue on Question 2, what is the probability P(i=130Xi>156) ? (A) 0.9772 (B) 0.4721 (C) 0.5279 (D) 0.0228