Please answer these questions

STAT 330 Assignment 4 1. Let X1, X2, ..., Xn be random sample from a distribution with one of two pdfs. If 0 = 1, then f(x; 0 = 1) = be-x /2, -co 0 and 02 > 0. If X1, X2, ..., Xn is a random sample from this distribution, find the maximum likelihood estimators of 01 and 02. 4. Let X1, X2, ..., Xn be a random sample from N (M, 62). a) If the constant b is defined by the equation Pr(X 0? 6. Let X1, X2, ..., Xn be iid N(0, 0), 0