Probability and Proportions

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

• 5:3

• 5:8

• 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

The odds in favor of receiving a gift are 5:16. Find the probability of Henry receiving a gift.

• 16/5

• 5/21

• 16/21

• 5/16

The probability of the box having a toy is 6/13. What are the odds against the box having a toy?

• 7:13

• 6:7

• 7:6

• 13:6

Kevin is at a charity fundraiser and has a chance of receiving a gift. The odds in favor of receiving a gift are 6:17. Find the probability of Kevin receiving a gift.

• 6/23

• 17/23

• 17/6

• 6/17

Suppose one card is drawn at random from a standard deck. What is the probability that the card drawn is a club?

• 1/4

• 1/3

• 1/13

• 1/52

What is the probability of spinning green?

• 1/3

• 1/4

• 1/2

• 3/4

A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What are the odds in favor of selecting a grape piece of candy?

• 1:2

• 1:1

• 2:3

• 3:2

A bag has 3 red marbles, 2 blue, 4 green, and 1 yellow. What is the theoretical probability of pulling a red?

• 3/10

• 3/9

• 1/9

• 1/3

The theoretical probability of rolling an even number on a dice.

• 3/6
• 1/2
• 1/6
• 5/6