Exploring Compound Event Probabilities

What is the probability of flipping a coin and getting heads?

• 2/4

• 3/6

• 1/2

• 1/4

Tags

CCSS.7.SP.C.7A

If a number cube is rolled, what is the chance it lands on an odd number?

• 1/2

• 2/3

• 1/3

• 1/4

Tags

CCSS.7.SP.C.7A

What is the first step in calculating the probability of a compound event?

• Identify the individual events

• Add the probabilities

• Simplify the fractions

• Multiply the probabilities

Tags

CCSS.HSS.CP.B.7

How do you simplify the fraction 3/6?

• 3/4

• 1/3

• 1/2

• 2/3

When calculating the probability of compound events, what operation is performed between the probabilities of individual events?

• Division

• Addition

• Subtraction

• Multiplication

Tags

CCSS.HSS.CP.B.7

What does it mean to simplify a fraction before multiplying in the context of compound probabilities?

• Reducing to lowest terms

• Increasing the value

• Converting to decimal

• Making the numbers smaller

What is the probability of selecting a green marble and then a yellow marble without replacement?

• 3/22

• 2/22

• 1/24

• 1/22

Why is the probability of selecting a yellow marble after a green marble without replacement 1/22?

• Because the first marble is replaced

• Because the total number of marbles decreases

• Because the color of the marble changes

• Because the bag is shaken before the second selection

What is the simplified form of 2/10?

• 1/4

• 3/10

• 2/5

• 1/5

What is the probability of Gabriel selecting a can of tomato soup and then a can of cheese soup?

• 2/25

• 1/25

• 1/30

• 1/20