What Do You Expect? TEST REVIEW

A bag contains 4 orange blocks, 5 yellow blocks, 2 red blocks, and 1 green block. What is the theoretical probability of randomly drawing a yellow block from the bag?

• 1/6

• 1/2

• 5/12

• 5/11

A bag contains 4 orange blocks, 5 yellow blocks, 2 red blocks, and 1 green block. If you quadruple the number of orange, yellow, red, and green blocks in the bag, what is the theoretical probability of drawing a yellow block?

• 5/48

• 5/20

• 12/20

• 5/12

A bag contains four orange blocks, five yellow blocks, two red blocks, and one green block. How many red blocks would you need to add to this bag of blocks to make the probability of drawing a red block 50% ?

• 8 red blocks

• 10 red blocks

• 4 red blocks

• 20 red blocks

A vending machine contains stuffed animals, basketballs, and candy bars. The probability of getting a basketball is 3/8. The probability of getting a stuffed animal is 1/4. What is the probability of getting a candy bar?

• 3/8

• 5/8

• 6/8

• 2/8

A vending machine contains stuffed animals, basketballs, and candy bars. The probability of getting a basketball is 3/8. The probability of getting a stuffed animal is 1/4. If there are 72 items in the vending machine, how many are stuffed animals?

• 18 stuffed animals

• 27 stuffed animals

• 2 stuffed animals

• 8 stuffed animals

A vending machine contains stuffed animals, basketballs, and candy bars. The probability of getting a basketball is 3/8. The probability of getting a stuffed animal is 1/4. If there are 72 items in the vending machine, how many are basketballs?

• 18 basketballs

• 27 basketballs

• 2 basketballs

• 8 basketballs

A vending machine contains stuffed animals, basketballs, and candy bars. The probability of getting a basketball is 3/8. The probability of getting a stuffed animal is 1/4. If there are 72 items in the vending machine, how many are candy bars?

• 18 candy bars

• 27 candy bars

• 2 candy bars

• 8 candy bars

How many different meals can be designed if customers can choose one entree and one drink?

• 20 meals

• 5 meals

• 10 meals

• 25 meals

If meals are made randomly, what is the theoretical probability that a meal will include spaghetti?

• 1/5

• 1/10

• 2/25

• 5/10

If meals are made randomly, what is the theoretical probability of a meal having an egg sandwich and water?

• 1

• 1/10

• 1/25

• 5/25