1. Name____________________________________ Date_____________________
Mrs. Labuski / Mrs. Rooney Period _______ Independent/Dependent Events
1.
2.
3. 4.
Find the probabilities of the events.
6. There are 15 birds at the pond: 3 swans, 8 geese, and 4 ducks.
a. What is the probability that a swan will fly away?
b. After a bird flies away, what is the probability that a goose will fly away?
7. There are 12 black socks, 4 red socks, 5 blue socks, and 4 white socks in a drawer.
a. What is the probability of pulling a white sock after a blue sock was removed and not
replaced?
b. What is the probability of pulling a black sock after the blue and white socks were
removed and not replaced?
8. Five boys and 2 girls are volunteering for a class project. Their names are written on slips of
paper and placed in a bowl. The teacher will choose two names without replacing the first name
chosen. What is the probability that the two girls will be chosen?