Q2 For the following cases, write down the likelihood function. (a) Let Y|6 be Poisson(0). Suppose that we believe there are only four possible values for 0, 1, 1.5, 2, and 2.5 and y = (1, 2). (b) Consider the regression model Yi = B+Xite, i=1,2, ...,3 with the observations: 10 11 2 12 3 Q3 For the example 2, suppose Sally has a forth son, who is affected and update your information on 8