Question

Question 7 of 10

If P(A) = 3/4, P(B)=1/2 , and P(AUB)=11/12 what is P(A n B)?

A. 1/3
B. 3/4
C. 3/8
D. 1/12
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Answer 1

P(A n B) = P(A U B) - P(A) - P(B)

= 11/12 - 3/4 - 1/2

= (11 - 9 - 6)/12

= 4/12

= ⅓