Page 141 - TB_6B

Activity 1 Number of Outcomes

1 . Mutually exclusive events are events that cannot occur at the same

time. Find the number of possible outcomes for mutually exclusive

events.

a. There are 2 bus routes and 3 bicycle paths

from the house to the zoo. Find the number house
of ways to go to the zoo from the house.

Number of ways by bus: 2

Number of ways by bicycle: 3

There are 5 possible ways to go to the zoo from the house. zoo

b. There are 4 different train lines and 2 different baseball
bus routes to choose from for you to go stadium
home from the baseball stadium. How many
possible ways are there to go home from the home
baseball stadium?

c. There are 10 marbles in a bag that are numbered 1 3 5
from 1 to 10. Find the number of possible outcomes 24
when pulling out a marble with an even number or a
factor of 9. 6 7 8 9 10

If events A and B cannot occur at the same time, the number of
outcomes of events A and B is m n, when m = the number of
outcomes of event A, and n = the number of outcomes of event B.

130