Question 1

An individual can assign a subjective probability to an event based on the individual's knowledge about the event.

Accepted Answer

A) True 
 B)False

Question 2

When an event's probability depends on the occurrence of another event,the probability is a(n)________.

Accepted Answer

A) conditional probability 
B) empirical probability 
C) joint probability 
D) mutually exclusive probability 
A) conditional probability 
B) empirical probability 
C) joint probability 
D) mutually exclusive probability

Question 3

When applying the special rule of addition for mutually exclusive events,the joint probability is ________.

Accepted Answer

A) 1 
B) 0.5 
C) 0 
D) unknown 
A) 1 
B) 0.5 
C) 0 
D) unknown

Question 4

A gumball machine has just been filled with 50 black,150 white,100 red,and 100 yellow gumballs that have been thoroughly mixed. Sue and Jim each purchase one gumball. What is the likelihood that both Sue and Jim will get red gumballs?

Accepted Answer

A) 0.50 
B) 0.062 
C) 0.33 
D) 0.75 
A) 0.50 
B) 0.062 
C) 0.33 
D) 0.75

Question 5

If there are "m" ways of doing one thing,and "n" ways of doing another thing,the multiplication formula states that there are (m)× (n)ways of doing both.

Accepted Answer

A) True 
 B)False

Question 6

In a finance class,the final grade is based on three tests. Historically,the instructor tells the class that the joint probability of scoring As on the first two tests is 0.5. A student assigns a probability of 0.9 that she will get an A on the first test. What is the probability that the student will score an A on the second test given that she scored an A on the first test?

Accepted Answer

A) 0.50 
B) 0.95 
C) 0.56 
D) 0.90 
A) 0.50 
B) 0.95 
C) 0.56 
D) 0.90

Question 7

Each salesperson in a large department store chain is rated on his or her sales ability and potential for advancement. The data for the 500 sampled salespeople are summarized in the following table.   What is the probability that a salesperson selected at random will have average sales ability and good potential for advancement?

Accepted Answer

A) 0.09 
B) 0.12 
C) 0.30 
D) 0.525 
A) 0.09 
B) 0.12 
C) 0.30 
D) 0.525

Question 8

A study by the National Park Service revealed that 50% of the vacationers going to the Rocky Mountain region visit Yellowstone Park,40% visit the Grand Tetons,and 35% visit both. What is the probability that a vacationer will visit at least one of these magnificent attractions?

Accepted Answer

A) 0.95 
B) 0.35 
C) 0.55 
D) 0.05 
A) 0.95 
B) 0.35 
C) 0.55 
D) 0.05

Question 9

The process used to calculate the revised probability of an event given additional information can be obtained through ________.

Accepted Answer

A) Bayes' theorem 
B) classical probability 
C) permutation 
D) subjective probability 
A) Bayes' theorem 
B) classical probability 
C) permutation 
D) subjective probability

Question 10

The probability of a particular event occurring,given that another event has occurred,is known as a(n)________.

Accepted Answer

A) conditional probability 
B) empirical probability 
C) joint probability 
D) tree diagram 
A) conditional probability 
B) empirical probability 
C) joint probability 
D) tree diagram

Question 11

The National Center for Health Statistics reported that of every 883 deaths in recent years,24 resulted from an automobile accident,182 from cancer,and 333 from heart disease. What is the probability that a particular death is due to an automobile accident?

Accepted Answer

A) 24/883 or 0.027 
B) 539/883 or 0.610 
C) 24/333 or 0.072 
D) 182/883 or 0.206 
A) 24/883 or 0.027 
B) 539/883 or 0.610 
C) 24/333 or 0.072 
D) 182/883 or 0.206

Question 12

A group of employees of Unique Services will be surveyed about a new pension plan. In-depth interviews with each employee selected in the sample will be conducted. The employees are classified as follows:   What is the probability that the first person selected is either in maintenance or in secretarial?

Accepted Answer

A) 0.200 
B) 0.015 
C) 0.059 
D) 0.001 
A) 0.200 
B) 0.015 
C) 0.059 
D) 0.001

Question 13

Six basic colors are used in decorating a new condominium. They are applied to a unit in groups of four colors. One unit might have gold as the principal color,blue as a complementary color,red as the accent color,and touches of white. Another unit might have blue as the principal color,white as the complementary color,gold as the accent color,and touches of red. If repetitions are permitted,how many different units can be decorated?

Accepted Answer

A) 7,825 
B) 25 
C) 125 
D) 1,296 
A) 7,825 
B) 25 
C) 125 
D) 1,296

Question 14

Using the terminology of Bayes' theorem,a posterior probability can also be defined as a

Accepted Answer

A) revised probability 
B) joint probability 
C) subjective probability 
D) classical probability 
A) revised probability 
B) joint probability 
C) subjective probability 
D) classical probability

Question 15

In a management trainee program,80% of the trainees are female,while 20% are male. Ninety percent of the females attended college; 78% of the males attended college. A management trainee is selected at random. What is the probability that the person selected is a male who did NOT attend college?

Accepted Answer

A) P (male)P (did not attend college | male) 
B) P (did not attend college)P (male | did not attend college) 
C) P (male)P (did not attend college) 
D) P (did not attend college) 
A) P (male)P (did not attend college | male) 
B) P (did not attend college)P (male | did not attend college) 
C) P (male)P (did not attend college) 
D) P (did not attend college)

Question 16

Each salesperson in a large department store chain is rated on their sales ability and their potential for advancement. The data for the 500 sampled salespeople are summarized in the following table.   What is the probability that a salesperson selected at random has above-average sales ability and has excellent potential for advancement?

Accepted Answer

A) 0.20 
B) 0.50 
C) 0.27 
D) 0.75 
A) 0.20 
B) 0.50 
C) 0.27 
D) 0.75

Question 17

Which approach to probability is exemplified by the following formula? Probability of an event =

Accepted Answer

A) The classical approach 
B) The empirical approach 
C) The subjective approach 
D) None of these answers are correct. 
A) The classical approach 
B) The empirical approach 
C) The subjective approach 
D) None of these answers are correct.

Question 18

The probability of rolling a 3 or 2 on a single die is an example of conditional probability.

Accepted Answer

A) True 
 B)False

Question 19

A study of interior designers' opinions with respect to the most desirable primary color for executive offices showed the following:   What is the probability that a designer does NOT prefer red?

Accepted Answer

A) 1.00 
B) 0.77 
C) 0.73 
D) 0.23 
A) 1.00 
B) 0.77 
C) 0.73 
D) 0.23

Question 20

The first card selected from a standard 52-card deck was a king. If it is returned to the deck,what is the probability that a king will be drawn on the second selection?

Accepted Answer

A) 1/4 or 0.25 
B) 1/13 or 0.077 
C) 12/13 or 0.923 
D) 1/3 or 0.33 
A) 1/4 or 0.25 
B) 1/13 or 0.077 
C) 12/13 or 0.923 
D) 1/3 or 0.33

An individual can assign a subjective probability to an event based on the individual's knowledge about the event.

When an event's probability depends on the occurrence of another event,the probability is a(n)________.

When applying the special rule of addition for mutually exclusive events,the joint probability is ________.

A gumball machine has just been filled with 50 black,150 white,100 red,and 100 yellow gumballs that have been thoroughly mixed. Sue and Jim each purchase one gumball. What is the likelihood that both Sue and Jim will get red gumballs?

If there are "m" ways of doing one thing,and "n" ways of doing another thing,the multiplication formula states that there are (m)× (n)ways of doing both.

A study by the National Park Service revealed that 50% of the vacationers going to the Rocky Mountain region visit Yellowstone Park,40% visit the Grand Tetons,and 35% visit both. What is the probability that a vacationer will visit at least one of these magnificent attractions?

The process used to calculate the revised probability of an event given additional information can be obtained through ________.

The probability of a particular event occurring,given that another event has occurred,is known as a(n)________.

The National Center for Health Statistics reported that of every 883 deaths in recent years,24 resulted from an automobile accident,182 from cancer,and 333 from heart disease. What is the probability that a particular death is due to an automobile accident?

Using the terminology of Bayes' theorem,a posterior probability can also be defined as a

In a management trainee program,80% of the trainees are female,while 20% are male. Ninety percent of the females attended college; 78% of the males attended college. A management trainee is selected at random. What is the probability that the person selected is a male who did NOT attend college?

Which approach to probability is exemplified by the following formula? Probability of an event =

The probability of rolling a 3 or 2 on a single die is an example of conditional probability.

A study of interior designers' opinions with respect to the most desirable primary color for executive offices showed the following: What is the probability that a designer does NOT prefer red?

The first card selected from a standard 52-card deck was a king. If it is returned to the deck,what is the probability that a king will be drawn on the second selection?

What Is Statistics

Describing Data: Frequency Tables, Frequency Distributions, and Graphic Presentation

Describing Data: Numerical Measures

Describing Data: Displaying and Exploring Data

Discrete Probability Distributions

Continuous Probability Distributions

Sampling Methods and the Central Limit Theorem

Estimation and Confidence Intervals

One-Sample Tests of Hypothesis

Two-Sample Tests of Hypothesis

Analysis of Variance

Correlation and Linear Regression

Multiple Regression Analysis

Nonparametric Methods: Nominal Level Hypothesis Tests

Nonparametric Methods: Analysis of Ordinal Data

Index Numbers

Time Series and Forecasting

Statistical Process Control and Quality Management

An Introduction to Decision Theory

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Exam 5: A Survey of Probability Concepts

An individual can assign a subjective probability to an event based on the individual's knowledge about the event.

When an event's probability depends on the occurrence of another event,the probability is a(n)________.

When applying the special rule of addition for mutually exclusive events,the joint probability is ________.

A gumball machine has just been filled with 50 black,150 white,100 red,and 100 yellow gumballs that have been thoroughly mixed. Sue and Jim each purchase one gumball. What is the likelihood that both Sue and Jim will get red gumballs?

If there are "m" ways of doing one thing,and "n" ways of doing another thing,the multiplication formula states that there are (m)× (n)ways of doing both.

A study by the National Park Service revealed that 50% of the vacationers going to the Rocky Mountain region visit Yellowstone Park,40% visit the Grand Tetons,and 35% visit both. What is the probability that a vacationer will visit at least one of these magnificent attractions?

The process used to calculate the revised probability of an event given additional information can be obtained through ________.

The probability of a particular event occurring,given that another event has occurred,is known as a(n)________.

The National Center for Health Statistics reported that of every 883 deaths in recent years,24 resulted from an automobile accident,182 from cancer,and 333 from heart disease. What is the probability that a particular death is due to an automobile accident?

Using the terminology of Bayes' theorem,a posterior probability can also be defined as a

In a management trainee program,80% of the trainees are female,while 20% are male. Ninety percent of the females attended college; 78% of the males attended college. A management trainee is selected at random. What is the probability that the person selected is a male who did NOT attend college?

Which approach to probability is exemplified by the following formula? Probability of an event =

The probability of rolling a 3 or 2 on a single die is an example of conditional probability.

A study of interior designers' opinions with respect to the most desirable primary color for executive offices showed the following: What is the probability that a designer does NOT prefer red?

The first card selected from a standard 52-card deck was a king. If it is returned to the deck,what is the probability that a king will be drawn on the second selection?

What Is Statistics

Describing Data: Frequency Tables, Frequency Distributions, and Graphic Presentation

Describing Data: Numerical Measures

Describing Data: Displaying and Exploring Data

Discrete Probability Distributions

Continuous Probability Distributions

Sampling Methods and the Central Limit Theorem

Estimation and Confidence Intervals

One-Sample Tests of Hypothesis

Two-Sample Tests of Hypothesis

Analysis of Variance

Correlation and Linear Regression

Multiple Regression Analysis

Nonparametric Methods: Nominal Level Hypothesis Tests

Nonparametric Methods: Analysis of Ordinal Data

Index Numbers

Time Series and Forecasting

Statistical Process Control and Quality Management

An Introduction to Decision Theory

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