Compound Probability

Lucy has the spinner pictured and spins it twice in a row. What is the probability that she lands on blue first and then on yellow or green?

• 1 / 16
• 1 ⁄ 6
• 1 ⁄ 8
• 3 ⁄ 4

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Two marbles are randomly drawn from a bag containing 3 purple, 1 blue, and 1 yellow marble. The first marble is blue and is not replaced. Find the probability of drawing a second marble that is purple.

• 3/5

• 3/4

• 3/20

• 2/5

A coin and a number cube with the numbers 1 through 6 are tossed. What is the probability of the coin showing tails and the number cube showing the number 3? 

• 1/12
• 1/4
• 1/8
• 1/2

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

A number cube is rolled twice. What is the probability of getting a 6 on the first roll, then a number less than 5 on the second roll? 

• 2/3
• 5/36
• 1/9
• 1/36

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Lucy has the spinner pictured and spins it twice in a row. What is the probability that she lands on blue first and then on yellow or green?

• 1 / 16
• 1 ⁄ 6
• 1 ⁄ 8
• 3 ⁄ 4

A coin and a number cube with the numbers 1 through 6 are tossed. What is the probability of the coin showing tails and the number cube showing the number 3? 

• 1/12
• 1/4
• 1/8
• 1/2

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.8

How do you find compound probability?

• Multiply your probabilities
• Add your probabilities
• Divide your probabilities
• Subtract your probabilities

Tags

CCSS.7.SP.C.8

A basket contains 5 purple pencils and 9 brown pencils. If two pencils are picked at random one after the other without replacement, then what is the probability that both the pencils are purple?

• 9/182
• 5/182
• 2/91
• 10/91

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

What is the probability of rolling a 4 on a fair number cube and getting “tails” when tossing a coin?

• 1/7
• 1/12
• 5/8
• 1/2

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

What is the probability of flipping a coin twice and landing on Tails both times?

• $\frac{1}{2}$

• $\frac{2}{2}$

• $\frac{4}{1}$

• $\frac{1}{4}$

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7