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clc;
//page 85
//problem 2.1
//A & B are two events occured in sample space S, where P(A) & P(B) are their corresponding probability
P_S=1
//Given A&B are not mutually exclusive events,
//Probability of A is 0.2 = P_A
//Probability of B is 0.4 = P_B
//Probability of either A or B is 0.5 = P_AUB
P_A = 0.2
P_B = 0.4
P_AUB = 0.5
//Probability of both of A&B jointly occur is P_AinterB = P_A+P_B-P_AUB where inter is intersection
P_AinterB = P_A+P_B-P_AUB
disp('Probability of both of A&B jointly occur is '+string(P_AinterB))
//Probability of none of AorB are occur is P_NOAB = Total occurence(P_S) - Probability of either AorB(P_AUB)
P_NOAB = P_S-P_AUB
disp('Probability of none of AorB are occur is '+string(P_NOAB))
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