TAC T2 - Dependent Compound Probability

1. A box contains 3 red marbles, 6 blue marbles and 1 white marble. The marbles are selected 1 at a time and not replaced. Find P(blue and red)

• 9/50

• 1/5

• 4/10

• 8/15

2. Suppose two tiles are drawn from the collection shown. The first tile is not replaced before the second tile is drawn. Find P(A and A)

• 4/225

• 1/105

• 3/71

• 2/15

3. The spinner is spun twice. What is the probability that it lands on red first and then blue?

• 1/16

• 3/8

• 1/4

• 1/2

4. There are 4 black marbles and 2 white marbles in a bag, what is the probability of choosing a black marble, not replacing it and then choosing white.

• 4/15

• 3/17

• 2/5

• 2/19

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

5. Randy has 4 pennies, 3 nickels, and 3 dimes in his pocket. If he randomly chooses 2 coins without replacement, what is the probability they are both dimes.

• 1/15

• 2/27

• 3/19

• 4/21

6. There are 10 balloons in total, inside 4 of them is a piece of candy. What is the probability of randomly choosing balloon that does not have a candy in it?

• 1/2

• 2/5

• 3/5

• 4/10

7. You flip a coin and then roll a fair six-sided die. What is the probability that the coin lands heads-up and the die shows an even number?

• 1/12

• 1/6

• 1/4

• 1/8

8. A basket contains four apples and six peaches. You randomly select one piece of fruit and eat it. Then you randomly select another piece of fruit. What is the probability that both pieces of fruit are apples?

• 2/15

• 3/17

• 1/19

• 6/21

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

9. There are 8 boys in a class with 4 girls. Two students are randomly chosen to go to the office. What is the probability that the first student chosen is a boy and the second one a girl?

• 8/11

• 8/12

• 4/11

• 10/33

What is P(not A) =

• 6/8

• 3/4

• 2/8

• 1/4