Compound Probability

Ricardo has the spinner pictured here and a bag of marbles filled with 2 red marbles, 3 green marbles, and 3 blue marbles. What is the probability that Ricardo spins red on the spinner and picks a red marble out of the bag?

• 1 ⁄ 16

• 1 ⁄ 2

• 1 ⁄ 4

• 1 ⁄ 8

You are flipping a coin and rolling a dice. What is the probability of getting tails and then rolling a 4. Show your work. Circle your answer.

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

The sample space tree diagram for a team of three students is shown.  What is the probability that the team would consist of at least 2 girls?

• ½

• ⅜

• ¾

• ⅙

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

A dice is rolled first then a quarter is tossed. What is the probability of getting a number greater than 4 and a heads?

• 1/2

• 2/6

• 1/6

• 2/6

You roll a dice and a pick a marble out of a bag that has 3 red marbles and 2 blue marbles. What is the probability of rolling a 6 on the dice and then a blue marble?

• 3/11

• 5/2

• 1/6

• 1/15

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

• 1/12

• 1/4

• 1/8

• 1/2

What is the probability of rolling a 4 and then landing on the letter c?

• 2/14

• 1/48

• 4/6

• 1/6

What is the probability of selecting a ORANGE candy first then a BLUE candy second? There are 24 total pieces of Candy in the jar.

• 9/24

• 14/48

• 14/64

• 5/64