Basic Probability Vocabulary
Probability Problems
Multiplication Rule/Fundamental Counting
Addition Rule
Permutation vs. Combination
100

The set of all possible outcomes of a probability experiment. 

What is a sample space?

100

P(E') = 1- P(E)

What is the complementary event? 

100

The event of getting two aces when two cards are drawn from a deck of playing cards and the first card is replaced before a second card is drawn. 

What is independent event?

100

The probability that event A or B will occur and the events are not mutually exclusive. 

What is P (A or B) = P (A) + P (B) - P (A and B ) ?


100

10*9*8*7*6*5*4*3*2*1=3,628,800

What is 10!

200

Probabilities in which the observations obtained from experiments. 

What is Empirical Probability? 

200

A jack of club is drawn from a 52 playing card deck. 

What is the probability of 1/ 52 or 0.019

200

A coin tossed a head and a die rolled a 4.

What is the probability of 1/12 or .083?

200

Used to find the probability of at least one or two events occurring

What is the addition rule? 

200

A group of 20 people are going to run a race. The top 3 runners earn gold, silver, and bronze medals. 

What is permutation? 

300

Probabilities in which each outcome in a sample space is equally likely to occur. 

What is classical probability?

300

A diamond is drawn from a deck of 52 playing cards. 

What is the probability of 13/52 or 0.25

300

A car company has 4 designs each of which can be modeled as a sedan or SUV. There are 9 colors available.  The number of different cars available from this company.

What are 72 cars? 

300

You roll a die.  The die was either a 3 or an odd number. 

What is the probability of 3/6 or 0.5 ?

300

5 new babies are randomly selected.  The number of gender sequences possible. 

What is 120?

400

Increasing the number of experiments the event approaches the theoretical probability 

What is the law of large numbers?

400

A randomly selected student graduates with his/her masters and majors in English and Engineering. 

Distribution Chart w/ Majors - Math : 20, English 15, Engineering : 12, Business: 21, Education : 4 

What is 0.0347 ? 

400

You are dealt two cards successively without replacement from a standard deck of 52. The first card is a heart and the second card is a 5.

What is 0.0196?

400

Event A: Randomly select a male psychology major.

Event B: Randomly select a psychology major who is 20 years of age. 


What is not mutually exclusive? 

400

A group of 20 people are going to run a race.  The top 9 finishers advance to the finals. 

What is 20 C 9 = 167,960 ?

500

Two events that cannot happen at the same time. 

What are two mutually exclusive events?

500

The number of ways a six question true or false quiz can be answered.

What is 64?

500

The probability that a particular rotator cuff surgery is successful is .90. The last three surgeries are successful. 

What is the probability of 0.729?

500

A card is selected at random from a deck. Randomly selecting a club or a 3. 

What is 0.25?

500

7P3/ 12P4

What is 0.018