Question 1

True or False: If P(A or B)= 1.0, then A and B must be collectively exhaustive.

Accepted Answer

A) True 
 B)False

Question 2

Seven passengers are on a waiting list for an overbooked flight.As a result of cancellations, 3
seats become available.How many different ways can those 3 available seats be filled regardless
of the order?

Accepted Answer

The answer of Seven passengers are on a waiting list...

Question 3

True or False: To ethically advertise a school lottery scheme to try to raise money for the
athletic department, the organizer of the lottery does not need to explicitly specify the probability
of each of the prize in the lottery.

Accepted Answer

A) True 
 B)False

Question 4

You know that the probability of a randomly selected student will cheat on an exam is 1%.You
Also know that the probability of a randomly selected student will cheat on an exam knowing that
His/her fellow classmate is cheating on the exam is also 1%.Which of the following is true about
The event of "the randomly selected student cheating on an exam" and "his/her classmate is
Cheating on the exam"?

Accepted Answer

A)  They are mutually exclusive. 
B)  They are collectively exhaustive. 
C)  They are independent. 
D)  None of the above. 
A)  They are mutually exclusive. 
B)  They are collectively exhaustive. 
C)  They are independent. 
D)  None of the above.

Question 5

The probability that a new advertising campaign will increase sales is assessed as being 0.80.The
Probability that the cost of developing the new ad campaign can be kept within the original
Budget allocation is 0.40.Assuming that the two events are independent, the probability that the
Cost is kept within budget or the campaign will increase sales is:

Accepted Answer

A)  0.20 
B)  0.32 
C)  0.68 
D)  0.88 
A)  0.20 
B)  0.32 
C)  0.68 
D)  0.88

Question 6

SCENARIO 4-11
A sample of 300 adults is selected.The contingency table below shows their registration status and
their preferred source of information on current events.  
-Referring to Scenario 4-11, if an adult is selected at random, what is the probability that he/she
is a registered voter who does not prefer to get his/her current information from the internet?

Accepted Answer

120/300 =

Question 7

SCENARIO 4-1
Mothers Against Drunk Driving is a very visible group whose main focus is to educate the public
about the harm caused by drunk drivers.A study was recently done that emphasized the problem we
all face with drinking and driving.Four hundred accidents that occurred on a Saturday night were
analyzed.Two items noted were the number of vehicles involved and whether alcohol played a role
in the accident.The numbers are shown below:
-  
-Referring to Scenario 4-1, given that 3 vehicles were involved, what proportion of accidents
Involved alcohol?

Accepted Answer

A)  20/30 or 66.67% 
B)  20/50 or 40% 
C)  20/170 or 11.77% 
D)  20/400 or 5% 
A)  20/30 or 66.67% 
B)  20/50 or 40% 
C)  20/170 or 11.77% 
D)  20/400 or 5%

Question 8

A high school debate team of 4 is to be chosen from a class of 35.How many possible ways
can the team be formed?

Accepted Answer

The answer of A high school debate team of 4...

True or False: If P(A or B)= 1.0, then A and B must be collectively exhaustive.

Seven passengers are on a waiting list for an overbooked flight.As a result of cancellations, 3 seats become available.How many different ways can those 3 available seats be filled regardless of the order?

True or False: To ethically advertise a school lottery scheme to try to raise money for the athletic department, the organizer of the lottery does not need to explicitly specify the probability of each of the prize in the lottery.

A high school debate team of 4 is to be chosen from a class of 35.How many possible ways can the team be formed?

Defining and Collecting Data

Organizing and Visualizing

Numerical Descriptive Measures

Discrete Probability Distributions

Conthe Tinuonormausl Disdis Tributionstribution and Other

Sampling Distributions

Confidence Interval Estimation

Fundamentals of Hypothesis Testing: One-Sample Tests

Two-Sample Tests

Analysis of Variance

Chi-Square and Nonparametric

Simple Linear Regression

Introduction to Multiple

Multiple Regression

Time-Series Forecasting

Business Analytics

A Roadmap for Analyzing Data

Statistical Applications in Quality Management

Decision Making

Filters

Exam 4: Basic Probability

True or False: If P(A or B)= 1.0, then A and B must be collectively exhaustive.

Seven passengers are on a waiting list for an overbooked flight.As a result of cancellations, 3 seats become available.How many different ways can those 3 available seats be filled regardless of the order?

True or False: To ethically advertise a school lottery scheme to try to raise money for the athletic department, the organizer of the lottery does not need to explicitly specify the probability of each of the prize in the lottery.

A high school debate team of 4 is to be chosen from a class of 35.How many possible ways can the team be formed?

Defining and Collecting Data

Organizing and Visualizing

Numerical Descriptive Measures

Discrete Probability Distributions

Conthe Tinuonormausl Disdis Tributionstribution and Other

Sampling Distributions

Confidence Interval Estimation

Fundamentals of Hypothesis Testing: One-Sample Tests

Two-Sample Tests

Analysis of Variance

Chi-Square and Nonparametric

Simple Linear Regression

Introduction to Multiple

Multiple Regression

Time-Series Forecasting

Business Analytics

A Roadmap for Analyzing Data

Statistical Applications in Quality Management

Decision Making

Filters