Probability Odds

In a deck of 52 playing cards what are the odds in favor of drawing a 2, 3, 4, or 5 of diamonds at random?

• 1:12
• 12:1
• 1:13
• 13:1

If all the letters in the alphabet were placed in a bowl, what are the odds against pulling out an “A”, “H”, “R” or “X”? 

• 2:11
• 11:2
• 2:13
• 13:2

What are the odds in favor of randomly selecting a dime from a dish containing 11 pennies, 6 nickels, 5 dimes, and 3 quarters? 

• 4:1
• 1:4
• 1:5
• 5:1

The probability that a team wins the district championship is 20%. What are the odds in favor of the team winning?

• 1:4
• 4:1
• 1:5
• 5:1

A trial consists of flipping a fair coin three times. What are the odds against the coin coming up heads each time?

• 7:1
• 6:1
• 8:1
• 9:1

The odds in favor of rain tomorrow are 6:11. What is the probability of rain tomorrow? Round to the nearest percent.

• 35%
• 55%
• 65%
• 85%

Review: Probability based on data or results is called...

• The Law of Large Numbers
• theoretical probability
• subjective probability
• experimental probability

Review: A list of all possible outcomes of a trial is called the ___________ of that trial.

• experiment
• sample space
• Event
• range

The probability of getting bonus points is 5:8. Find the odds in favor of getting bonus points.

• 5/3

• 5/13

• 3/5

• 8/13

The odds against a customer ordering dessert are 20:3. What is the probability of a customer ordering dessert?

• 3/20

• 20/23

• 3/23

• 20/3