A and B are mutually exclusive events where and .

MATHEMATICS · Multi-part · A Level · Mathematics · Probability · Probability

Problem

*A* and *B* are mutually exclusive events where

P(A) = x

and

P(B') = 0.43

. (1) a** Write

P(A \cup B)

in terms of

x

. (2) b Find

x

given that

P(A \cup B) = 0.73