1) Prove or disprove that power set of a empty set defines valid of a sigma algebra. 2) Arbility non-empty sites A,B,C. Assume that Pr(A/B)≥Pr(B/C) and P(A/C^')≥Pr(B/C^') where P(./.) and P(.) donete the conditial probability and complement of its input, respectialty. Prove and disprove Pr(A)≥Pr(B). yardımcı olur musunuz çözüm için
