Probability Review

In some state, license plates consist of 4 letters followed by a 2-digit numbers. How many different license plates are possible?

• 67,600

• 456,976

• 4,569,760

• 45,697,600

In some state, license plates consist of 4 letters followed by a 2-digit numbers. Once a letter or number has been used, it may not be used again. How many different license plates are possible?

• 358,800

• 32,292,000

• 35,880,000

• 45,697,600

Tony's closet has 2 hats, 4 pairs of sunglasses, 6 different shirts, 3 different pairs of pants and 5 pairs of shoes. How many different outfits can Tony make?

• 720

• 144

• 48

• 20

In how many different ways can a committee of 3 people be selected from a total of 18 people?

• 21

• 54

• 816

• 4896

An ice cream parlor has 31 different flavors. George orders a sundae and has to select 3 flavors. How many different selections are possible?

• 34

• 93

• 4,495

• 26,970

The Kentucky Wildcats basketball team has 12 players on their bench. There are 5 positions in basketball. How many different ways are there to have 5 players, each in a certain position, on the court?

• 17

• 60

• 792

• 95,040

At the Kentucky Derby, 20 horses race in each race. How many different ways can first, second and 3rd place be determined?

• 20

• 23

• 1,140

• 6,840

On a six-sided die, each side has a number between 1 and 6. What is the probability of throwing a 3 or 4?

• 1 in 6

• 1 in 3

• 1 in 2

• 1 in 4

A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. What is the probability you will draw a purple marble on your first try?

• 3/10

• 1/5

• 1/2

• 4/5

There are 6 blue marbles, 3 red marbles and 5 yellow marbles in a bag. What is the probability of selecting a blue or red marble on the first draw

• 1/3

• 4/7

• 8/14

• 9/14