Qn (d) and (e)

(d) Given that P(A)= - ,P(A or B)= .where A and B are events defined on a sample space S. 2 Determine P(B) given that (i) A and B are mutually exclusive (ii) A and B are independent (6 Marks) (e) In a beauty contest seven judges a warded two participants Jackie and Joan as follows Judge A B C D E F G Jackie 50 70 55 66 59 48 52 Joan 71 65 48 56 60 58 68 Calculate; The spearman's rank correlation coefficient (4 Marks) (ii) Comment on your results. (1 Mark)