For two events and ,

MATHEMATICS · Single correct · GCSE · Mathematics · Probability · Probability

Problem

For two events

A

and

B

P(A)=0.4

P(B)=0.5

and

P(A\cap B)=0.2

. Find

P(A\cup B)

. (a)

0.5

(b)

0.7

(c)

0.9

(d)

0.3