Unit 7 Review - Probability

If the probability of an event is 0.8, how would you describe the likelihood of this event occurring?

• Unlikely

• Neither likely nor unlikely

• Likely

• Impossible

Which of the following probabilities indicates an event that is neither likely nor unlikely?

• 0.1

• 0.5

• 0.9

• 0.0

In an experiment, a coin is flipped 100 times and lands on heads 60 times. What is the experimental probability of getting heads?

• 0.4

• 0.5

• 0.6

• 0.7

Which of the following is a uniform probability model?

• Rolling a fair six-sided die

• Drawing a card from a deck with more red cards than black cards

• Picking a marble from a bag with different colored marbles

• Choosing a day of the week

What is the probability of drawing a red card from a standard deck of 52 playing cards?

• 1

If you roll two six-sided dice, what is the probability of getting a sum of 7?

Which of the following is an example of a compound event?

• Rolling a die

• Flipping a coin

• Rolling two dice and getting a sum of 8

• Drawing a single card from a deck

How many outcomes are there in the sample space when flipping two coins?

• 2

• 3

• 4

• 6

What is the probability of drawing an ace from a standard deck of 52 playing cards?

If you roll a die and flip a coin, what is the probability of rolling a 4 and getting heads?