3.1 Basics
3.2 Conditional
Wildcard
3.3 Addition Rule
3.4 Perm + Comb
100
What is the likelihood of rolling an even number on a number cube?
3/6 or 50%
100
What does the line mean below?
P(A l B)
Given
100
Is it unusual to roll an even number when rolling one die?
no
100
Determine whether the statement is true or false. If it is false, rewrite it as a true statement.
If two events are mutually exclusive, they have no outcomes in common.
true
100
Decide if the situation involves permutations, combinations, or neither. Explain your reasoning.
The number of ways 11 people can line up in a row for concert tickets.
Permutation
200
True or False: Equally likely is the same as 50% probability
What is False?
200
What is the probability that you draw a king given you are only looking at the hearts?
1/13
200
A quick quiz consists of a true/false question followed by a multiple choice question with 4 possible answers. What is the probability of randomly guessing 2 correct answers?
1/8
200
For the given pair of events, classify the two events as independent or dependent.
Randomly selecting a customer at the movies
Randomly selecting a customer eating popcorn
Dependent
200
53 P 4
7027800
300
How many outcomes are there on the spinner shown, one number cube and a deck of cards? 
What is 6 * 6 * 52 = 1872
300
The probability a male student is chosen, given they are a nurse
Nurse Other Total
Males 93 1083 1176
Females 712 1611 2323
Total 805 2694 3499
93/805
300
What is the probability of an event that is certain to occur?
1 or 100%
300
A standard deck of cards contains 52 cards. One card is selected from the deck. Compute the probability of randomly selecting a heart or five.
16/52
300
55 C 6 / 135 C 6
0.00385912
400
Bryan made 26 out of 32 free-throw attempts. If Bryan shoots the ball 100 times, about how many free-throws can you expect him to make?
81
400
In a survey of U.S. adults with a sample size of 2048, 388 said Franklin Roosevelt was the best president since World War II. Two U.S. adults are selected at random from this sample without replacement. What is the probability both adults think Franklin Roosevelt was the best president?
0.036
388/2048 x 387/2047
400
Two events are listed below, are they mutually exclusive?
Event A: A person with entirely blonde hair
Event B: A person with entirely black hair
yes
400
You roll a six-sided die. Find the probability of the following scenario. Rolling a 4 or a number greater than 3
3/6
400
You have 10 different video games. How many different ways can you arrange the games side by side on a shelf?
10!
3628800
500
Gil rolls a number cube 78 times. About how many times can he expect to roll an odd number greater than 1?
26
500
In a survey of U.S. adults with a sample size of 2048, 388 said Franklin Roosevelt was the best president since World War II. Two U.S. adults are selected at random from this sample without replacement. What is the probability at least one of the adults think Franklin Roosevelt was the best president?
0.3430887808
500
The odds of an event occurring are
2:5.
Find the probability that the event will occur
2/7
500
A football stadium has an attendance of 4967 people. Of these, 2109 are cheering for Team A and 2569 are female. Of the people cheering for Team A, 976 are female. Find the probability that a randomly selected attendee is female or cheers for Team A.
3702/4967
74.5%
500
There are 30 members on the board of directors for a certain non-profit institution. If they must elect a chairperson, first vice chairperson, second vice chairperson, and secretary, how many different slates of candidates are possible?
657720