Let C and D be two disjoint events such that P(C)=0.50 P(D)=.40 What is P(C and D)?
disjoint event are mutually exclusive, P (c and D) = P(c)+P(D) = 0.9
Okay thank you! What if C and D were independent? What is P(C or D)?
P(c+d) = P(c)+P(d)-P(c and d) = P(c)+P(d) -p(c)*p(d)
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