Ctice The Addition Rule
The table displays the number and type of tickets bought for a play that
Zwas performed in both the afternoon and evening.
Child Ticket
Adult Ticket
36
Afternoon
Evening
127
12
188
The addition rule states that given events A and B, P(A or B) = P(A) +
P(B)
- P(A and B). Show how to apply the addition rule for the events
“a child ticket is bought for a play" and "the play is performed
in the afternoon."