Question 1

If events A and B are mutually exclusive and collectively exhaustive, what is the probability that event A occurs?

Accepted Answer

A) 0.25 
B) 0.50 
C) 1.00 
D) Cannot be determined from the information given. 
A) 0.25 
B) 0.50 
C) 1.00 
D) Cannot be determined from the information given.

Question 2

Prior probability is also called likelihood probability.

Accepted Answer

A) True 
 B)False

Question 3

Bayes' Law involves three different types of probabilities: 1) prior probabilities; 2) ____________________ probabilities; and 3) posterior probabilities.

Accepted Answer

The answer of Bayes' Law involves three different types of...

Question 4

An approach of assigning probabilities which assumes that all outcomes of the experiment are equally likely is referred to as the:

Accepted Answer

A) subjective approach 
B) objective approach 
C) classical approach 
D) relative frequency approach 
A) subjective approach 
B) objective approach 
C) classical approach 
D) relative frequency approach

Question 5

NARRBEGIN: College Professorship
College Professorship
A Ph.D. graduate has applied for a job with two colleges: A and B. The graduate feels that she has a 60% chance of receiving an offer from college A and a 50% chance of receiving an offer from college B. If she receives an offer from college B, she believes that she has an 80% chance of receiving an offer from college A. Let A = receiving an offer from college A, and let B = receiving an offer from college B.NARREND
-{College Professorship Narrative} What is the probability that at least one college will make her an offer?

Accepted Answer

The answer of NARRBEGIN: College Professorship
College Professorship
A Ph.D. graduate has...

Question 6

NARRBEGIN: Business Majors
Business Majors
Suppose 30% of business majors major in accounting. You take a random sample of 3 business majors.NARREND
-{Business Majors Narrative} What is the chance that at least one majors in accounting?

Accepted Answer

The answer of NARRBEGIN: Business Majors
Business Majors
Suppose 30% of business...

Question 7

If A and B are mutually exclusive events with P(A) = 0.75, then P(B):

Accepted Answer

A) can be any value between 0 and 1. 
B) can be any value between 0 and 0.75. 
C) cannot be larger than 0.25. 
D) equals 0.25. 
A) can be any value between 0 and 1. 
B) can be any value between 0 and 0.75. 
C) cannot be larger than 0.25. 
D) equals 0.25.

Question 8

Two events A and B are said to be mutually exclusive if:

Accepted Answer

A) P(A|
B)  = 1 
B) P(A|
B)  = P(
A)  
C) P(A and 
B)  =1 
D) P(A and 
B)  = 0 
A) P(A|
B)  = 1 
B) P(A|
B)  = P(
A)  
C) P(A and 
B)  =1 
D) P(A and 
B)  = 0

Question 9

The ____________________ of events A and B is the event that occurs when both A and B occur.

Accepted Answer

The answer of The ____________________ of events A and B...

Question 10

There are situations where we witness a particular event and we need to compute the probability of one of its possible causes. ____________________ is the technique we use to do this.

Accepted Answer

Bayes' Law

Question 11

Which of the following is equivalent to P(A|B)?

Accepted Answer

A) P(A and 
B)  
B) P(B|
A)  
C) P(
A) /P(
B)  
D) None of these choices. 
A) P(A and 
B)  
B) P(B|
A)  
C) P(
A) /P(
B)  
D) None of these choices.

Question 12

P(A) + P(B) = 1 for any events A and B that are mutually exclusive.

Accepted Answer

A) True 
 B)False

Question 13

In applying Bayes' Law, as the prior probabilities increase, the posterior probabilities decrease.

Accepted Answer

A) True 
 B)False

Question 14

If events A and B have nonzero probabilities, then they can be both independent and mutually exclusive.

Accepted Answer

A) True 
 B)False

Question 15

The ____________________ rule says that P(Ac) = 1- P(A).

Accepted Answer

Question 16

The intersection of two events A and B is the event that occurs when both A and B occur.

Accepted Answer

A) True 
 B)False

Question 17

We can use the joint and marginal probabilities to compute conditional probabilities, for which a formula is available.

Accepted Answer

A) True 
 B)False

Question 18

The collection of all possible events is called

Accepted Answer

A) an outcome 
B) a sample space 
C) an event 
D) None of these choices. 
A) an outcome 
B) a sample space 
C) an event 
D) None of these choices.

Question 19

If two events are complements, their probabilities sum to ____________________.

Accepted Answer

The answer of If two events are complements, their probabilities...

Question 20

If the two events are mutually exclusive and collectively exhaustive, what is the probability that one or the other occurs?

Accepted Answer

A) 0.00 
B) 0.50 
C) 1.00 
D) Cannot be determined from the information given. 
A) 0.00 
B) 0.50 
C) 1.00 
D) Cannot be determined from the information given.

If events A and B are mutually exclusive and collectively exhaustive, what is the probability that event A occurs?

Prior probability is also called likelihood probability.

Bayes' Law involves three different types of probabilities: 1) prior probabilities; 2) ____________________ probabilities; and 3) posterior probabilities.

An approach of assigning probabilities which assumes that all outcomes of the experiment are equally likely is referred to as the:

NARRBEGIN: Business Majors Business Majors Suppose 30% of business majors major in accounting. You take a random sample of 3 business majors.NARREND -{Business Majors Narrative} What is the chance that at least one majors in accounting?

If A and B are mutually exclusive events with P(A) = 0.75, then P(B):

Two events A and B are said to be mutually exclusive if:

The ____________________ of events A and B is the event that occurs when both A and B occur.

There are situations where we witness a particular event and we need to compute the probability of one of its possible causes. ____________________ is the technique we use to do this.

Which of the following is equivalent to P(A|B)?

P(A) + P(B) = 1 for any events A and B that are mutually exclusive.

In applying Bayes' Law, as the prior probabilities increase, the posterior probabilities decrease.

If events A and B have nonzero probabilities, then they can be both independent and mutually exclusive.

The ____________________ rule says that P(A^c) = 1- P(A).

The intersection of two events A and B is the event that occurs when both A and B occur.

We can use the joint and marginal probabilities to compute conditional probabilities, for which a formula is available.

The collection of all possible events is called

If two events are complements, their probabilities sum to ____________________.

If the two events are mutually exclusive and collectively exhaustive, what is the probability that one or the other occurs?

What Is Statistics

Graphical Descriptive Techniques I

Graphical Descriptive Techniques II

Numerical Descriptive Techniques

Data Collection and Sampling

Random Variables and Discrete Probability Distributions

Continuous Probability Distributions

Sampling Distributions

Introduction to Estimation

Introduction to Hypothesis Testing

Inference About a Population

Inference About Comparing Two Populations

Analysis of Variance

Chi-Squared Tests Optional

Simple Linear Regression and Correlation

Multiple Regression

Filters

Exam 6: Probability

If events A and B are mutually exclusive and collectively exhaustive, what is the probability that event A occurs?

Prior probability is also called likelihood probability.

Bayes' Law involves three different types of probabilities: 1) prior probabilities; 2) ____________________ probabilities; and 3) posterior probabilities.

An approach of assigning probabilities which assumes that all outcomes of the experiment are equally likely is referred to as the:

NARRBEGIN: Business Majors Business Majors Suppose 30% of business majors major in accounting. You take a random sample of 3 business majors.NARREND -{Business Majors Narrative} What is the chance that at least one majors in accounting?

If A and B are mutually exclusive events with P(A) = 0.75, then P(B):

Two events A and B are said to be mutually exclusive if:

The ____________________ of events A and B is the event that occurs when both A and B occur.

There are situations where we witness a particular event and we need to compute the probability of one of its possible causes. ____________________ is the technique we use to do this.

Which of the following is equivalent to P(A|B)?

P(A) + P(B) = 1 for any events A and B that are mutually exclusive.

In applying Bayes' Law, as the prior probabilities increase, the posterior probabilities decrease.

If events A and B have nonzero probabilities, then they can be both independent and mutually exclusive.

The ____________________ rule says that P(Ac) = 1- P(A).

The intersection of two events A and B is the event that occurs when both A and B occur.

We can use the joint and marginal probabilities to compute conditional probabilities, for which a formula is available.

The collection of all possible events is called

If two events are complements, their probabilities sum to ____________________.

If the two events are mutually exclusive and collectively exhaustive, what is the probability that one or the other occurs?

What Is Statistics

Graphical Descriptive Techniques I

Graphical Descriptive Techniques II

Numerical Descriptive Techniques

Data Collection and Sampling

Random Variables and Discrete Probability Distributions

Continuous Probability Distributions

Sampling Distributions

Introduction to Estimation

Introduction to Hypothesis Testing

Inference About a Population

Inference About Comparing Two Populations

Analysis of Variance

Chi-Squared Tests Optional

Simple Linear Regression and Correlation

Multiple Regression

Filters

The ____________________ rule says that P(A^c) = 1- P(A).