10.1, 10.2, 10.4, 10.5

How many 4 digit numbers can be formed using 1, 2, 3, 4, and 5?

• 24

• 100

• 120

• 80

• 5

Out of 20 city officials, 3 are to be interviewed on a panel. How many ways can a group of 3 officials be chosen?

• 8000

• 760

• 60

• 1140

• 6840

The local pet store has 6 puppies, 9 kittens, 4 gerbils and 7 parakeets. If a pet is chosen at random, what is the probability of choosing a puppy or a kitten?

• 1/2

• 1/4

• 12/26

• 15/26

You are performing an experiment to determine how well plants grow under different light sources. Of the 30 plants in the experiment, 12 receive visible light, 15 receive ultraviolet light, and 6 receive both visible and ultraviolet light. What is the probability that a plant in the experiment receives visible or ultraviolet light?

• 9/10

• 7/10

• 11/10

• 1/5

Spin a spinner numbered 1 through 9, and toss a coin. What is the probability of getting an odd number on the spinner and a tail on the coin?

• 5/11

• 1/4

• 5/18

• 1/18

Two cards are chosen at random from a deck of 52 cards, with replacement. What is the probability of choosing a jack, and then another jack?

• 3/676

• 1/16

• 1/52

• none of these

On a math test, 6 out of 20 students got an A. If three students are chosen at random, without replacement, what is the probability that all 3 got an A on the test?

• 1/114

• 1/456

• 1/57

• none of these

All of the following are disjoint events when a 6-sided die is rolled, EXCEPT:

• Rolling a number less than 4 and rolling a number greater than 4

• Rolling a 3 or rolling an odd

• Rolling a 2 or rolling an odd

• Rolling a prime number or rolling a number greater than 5

The Freehold Boro Math League class consists of 22 students. How many ways the members of the Math League place 1^st, 2^nd, 3^rd and 4^th in a competition?

Does the scenario above represent a permutation or combination?

• Permutation

• Combination

You order a sundae from an ice cream shop. Each sundae comes with 3 complimentary toppings. If the shop offers a total of 15 different choices for toppings, how many ways can you order a 3-topping sundae?

Does the scenario above represent a permutation or combination?

• Permutation

• Combination