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? (a)  

• 1 ⁄ 16
• 1 ⁄ 2
• 1 ⁄ 4
• 1 ⁄ 8

How many outcomes are there with tossing a coin and rolling a dice?

Mathematical Equivalence

ON

What is the probability of picking a blue marble, putting it back in the bag, then picking a red marble?

Mathematical Equivalence

ON

If you spin two times, what is the probability of landing on green both times?

Mathematical Equivalence

ON

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?  (a)  

• 1/12
• 1/4
• 1/8
• 1/2

• 1/4
• 1/8
• 1/2
• 1/6

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

• 1/8
• 1/2
• 1/24
• 1/16

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

An event that consists of two or more events (a)  

•  event
• dependent events
• experiment
• compound event

How do you find compound probability? (a)  

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

You are at the movies with your friends and decided to buy a small bag of gummy bears. There are 4 red bears, 5 green bears, and 3 yellow bears in the bag. What is the probability that you will get yellow gummy bears and then red gummy bears? (a)  

• The probability is 3/11
• The probability is 1/11
• The probability is 3/132
• The probability is 3/12