Question 5+ the income and education level of each person on the electoral roll for queanberra is recorded as a pair (x, y) e 1,2,3)2, where 1 stands for low, 2 for average, and 3 for high, e. g. (2,3) represents a highly educated person with average income. let s denote the set of all people on the queanberra electoral roll, and define random variables x, y : s → { 1,2,3) by x(s),y(s) are the income and educational levels of person 8. let pi,-(s)-i) л (y(s)- for l i, j 3, assume that 0.02 0.05 0.03 (pj)isa-0.10 0.25 0.15 0.08 0.20 0.12/ a explain what pa represents. (b) find the probability of the event hi: "the person has a high income"? (c) find the probability of the event le: "the person has a low education level"? (d) describe the event hiule and find its probability. (e) are the events hi and le independent? (f) are the random variables x and y independent?