If X1, X2. ..., Xing are i.id. Nor(300, 5). then what is the distribution of the sample mean X? O Noe (3.0.08) O Nor(3.5) O Nee (3.600)Suppose X1..... Xing are lid. from an Exp(1) distribution, If we use the Central Limit Theorem approximation, what & P 2MIX. > 97 2 L 0 0212 0 0450Suppose we use Monte Carlo integration to approximate I = 1, In(2x - 4) da. If U1, U2, . .., Un are i.i.d. Unif(0, 1)random numbers, which of the following is a good approximation In for I? On(60,) o E(n(601) 0 12, (n(60, -4) 0 2In(60, - 4) 0 :2 (m (60, - 2)