Find probability of three independent events

1
EXAMPLE 2
Find probability of three independent events
SOLUTION
Let events A, B, and C be drawing lane 8 in the
first, second, and third heats, respectively. The
three events are independent. So, the probability
is
2
EXAMPLE 3
Use a complement to find a probability
SOLUTION
For one day, the probability of not hearing your
favorite song is
3
EXAMPLE 3
Use a complement to find a probability
Hearing or not hearing your favorite song on
Monday, on Tuesday, and so on are independent
events. So, the probability of hearing the song
at least once is
4
for Examples 2 and 3
GUIDED PRACTICE
5
for Examples 2 and 3
GUIDED PRACTICE
SOLUTION
For one day, the probability of not hearing your
favorite song is
Hearing or not hearing your favorite song on
Monday, on Tuesday, and so on are independent
events. So, the probability of hearing the song
at least once is
6
for Examples 2 and 3
GUIDED PRACTICE