Question

rand B are two events such that P(AUB) = 0.8, PAB)-02, p(A) - 0.4 find P(B)
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Answer 1

p(AUB)=P(A)+P(B)-P(AIB)

0.8=0.4-0.2+ P(B)

0.6= P(B)

Answer 2

Answer:

Question :

A and B are two events such that P(AUB) = 0.8, P(A n B)-02, p(A) - 0.4 find P(B)

Answer :

Refer attachment.