Events and satisfy

MATHEMATICS · Single correct · A Level · Mathematics · Probability · Probability

Problem

Events

A

and

B

satisfy

P(A')=0.30

P(B')=0.40

and

P(A\cup B)=0.90

. Find

P(A\cap B)

. (a)

0.42

(b)

0.30

(c)

0.40

(d)

0.10