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1
Which of the following is a correct statement about a probability?
A)Probability values range from 0 to 1, inclusive.
B)Probabilities may assume negative values.
C)Probabilities may be greater than 1.
D)Probabilities are limited to one decimal place.
2
The definition of a probability is
A)A number between 0 and 1, inclusive.
B)The outcome of an experiment.
C)The likelihood that an event will happen.
D)An uncertain event.
3
An event is
A)A collection of events.
B)A collection of outcomes from an experiment.
C)Always greater than 1.
D)The act of taking a measurement or the observation of some activity.
4
Which of the following is not a type of probability?
A)Subjective
B)Independent
C)Empirical
D)Classical
5
Two events are not independent if
A)One event affects the likelihood of another event's occurrence.
B)The sum of their probabilities is greater than 1.
C)We can count the possible outcomes.
D)The probability of one event happening does not affect the probability of another event happening.
6
The Special Rule of Addition is used to compute
A)The probability of two or more independent events.
B)The probability of two or more mutually exclusive events
C)The probability of collectively exhaustive events.
D)Subjective probabilities
7
The General Rule of Addition is used to compute
A)The probability of two or more independent events.
B)The probability of collectively exhaustive events.
C)The probability of two events that are not mutually exclusive.
D)Subjective probabilities
8
The joint probability of two mutually exclusive events is
A)Zero.
B)One.
C)0.50.
D)The sum of the probabilities of both events.
9
The General Rule of Multiplication is used to compute
A)The probability of two or more dependent events.
B)The probability of two or more independent events.
C)The probability of two or more mutually exclusive events.
D)Subjective probabilities
10
When we find the probability of an event by subtracting the probability of the event not happening from 1, we are using
A)Subjective probability
B)The complement rule.
C)The general rule of addition.
D)The special rule of multiplication
11
The difference between a permutation and a combination is:
A)In a permutation order is important and in a combination it is not.
B)In a permutation order is not important and in a combination it is important.
C)A combination is based on the classical definition of probability.
D)A permutation is based on the classical definition of probability.
12
Bayes Theorem is used to
A)Compute prior probabilities.
B)Test for independence of two outcomes.
C)Compute posterior probabilities based on additional information.
D)Compute probabilities for mutually exclusive events.
13
Data were collected on 100 students regarding their class and major. The data are summarized in the following contingency table.
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What is the probability of randomly selecting a sophomore or an undeclared student?
A)0.19
B)0.59
C)0.40
D)0.29
14
Data were collected on 100 students regarding their class and major. The data are summarized in the following contingency table.
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What is the probability of randomly selecting an undeclared student who is a senior?
A)0.43
B)0.30
C)0.73
D)0.14







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