Question 1

A sales representative calls on four hospitals in Westchester County.It is immaterial what order he calls on them.How many ways can he organize his calls?

Accepted Answer

A) 4 
B) 24 
C) 120 
D) 37 
A) 4 
B) 24 
C) 120 
D) 37

Question 2

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 classified as a maintenance employee?

Accepted Answer

A) 0.20 
B) 0.50 
C) 0.025 
D) 1.00 
A) 0.20 
B) 0.50 
C) 0.025 
D) 1.00

Question 3

To apply the special rule of addition,the events must be independent.

Accepted Answer

A) True 
 B)False

Question 4

When are two events mutually exclusive?

Accepted Answer

A) They overlap on a Venn diagram 
B) If one event occurs,then the other cannot 
C) Probability of one affects the probability of the other 
D) Both a and b 
A) They overlap on a Venn diagram 
B) If one event occurs,then the other cannot 
C) Probability of one affects the probability of the other 
D) Both a and b

Question 5

Two coins are tossed.The tossing the coins is called an experiment,and one possible event is two heads.

Accepted Answer

A) True 
 B)False

Question 6

The classical approach to probability requires that the outcomes of an experiment are not equally likely.

Accepted Answer

A) True 
 B)False

Question 7

An experiment may have:

Accepted Answer

A) Only one outcome 
B) Only two outcomes 
C) Two or more outcomes 
D) Several events 
A) Only one outcome 
B) Only two outcomes 
C) Two or more outcomes 
D) Several events

Question 8

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 will have below average sales ability and fair potential for advancement?

Accepted Answer

A) 0.032 
B) 0.10 
C) 0.16 
D) 0.32 
A) 0.032 
B) 0.10 
C) 0.16 
D) 0.32

Question 9

What does   equal?

Accepted Answer

A) 640 
B) 36 
C) 10 
D) 120 
A) 640 
B) 36 
C) 10 
D) 120

Question 10

A probability of 1.0 is assigned to an event that is certain not to occur.

Accepted Answer

A) True 
 B)False

Question 11

A tree diagram portrays outcomes that are mutually exclusive.

Accepted Answer

A) True 
 B)False

Question 12

The probability of two or more events occurring concurrently is called 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 13

What is a probability that is based on someone's opinion,guess or hunch called? ____________________

Accepted Answer

The answer of What is a probability that is based...

Question 14

In a management trainee program,80 percent of the trainees are female,20 percent male.Ninety percent of the females attended college,78 percent 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 15

A coin is tossed four times.The probability is ¼ or 0.25 that all four tosses will result in a head face up.

Accepted Answer

A) True 
 B)False

Question 16

When an event's probability depends on the likelihood 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 17

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

Accepted Answer

A) Classical approach 
B) Empirical approach 
C) Subjective approach 
D) None of the above 
A) Classical approach 
B) Empirical approach 
C) Subjective approach 
D) None of the above

Question 18

The ABCD football association is considering a Super Ten Football Conference.The top 10 football teams in the country,based on past records,would be members of the Super Ten Conference.Each team would play every other team in the conference during the season and the team winning the most games would be declared the national champion.How many games would the conference commissioner have to schedule each year? (Remember,Oklahoma versus Michigan is the same as Michigan versus Oklahoma. )

Accepted Answer

A) 45 
B) 50 
C) 125 
D) 14 
A) 45 
B) 50 
C) 125 
D) 14

Question 19

A combination of a set of objects is defined by the order of the objects.

Accepted Answer

A) True 
 B)False

Question 20

If two events are independent,then their joint probability is

Accepted Answer

A) computed with the special rule of addition 
B) computed with the special rule of multiplication 
C) computed with the general rule of multiplication 
D) computed with Bayes theorem 
A) computed with the special rule of addition 
B) computed with the special rule of multiplication 
C) computed with the general rule of multiplication 
D) computed with Bayes theorem

A sales representative calls on four hospitals in Westchester County.It is immaterial what order he calls on them.How many ways can he organize his calls?

To apply the special rule of addition,the events must be independent.

When are two events mutually exclusive?

Two coins are tossed.The tossing the coins is called an experiment,and one possible event is two heads.

The classical approach to probability requires that the outcomes of an experiment are not equally likely.

An experiment may have:

What does equal?

A probability of 1.0 is assigned to an event that is certain not to occur.

A tree diagram portrays outcomes that are mutually exclusive.

The probability of two or more events occurring concurrently is called a(n)

What is a probability that is based on someone's opinion,guess or hunch called? ____________________

A coin is tossed four times.The probability is ¼ or 0.25 that all four tosses will result in a head face up.

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

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

A combination of a set of objects is defined by the order of the objects.

If two events are independent,then their joint probability is

What Is Statistics

Describing Data: Frequency Distributions and Graphic Presentations

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

Linear Regression and Correlation

Multiple Regression and Correlation Analysis

Chi-Square Applications

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Exam 5: A Survey of Probability Concepts

A sales representative calls on four hospitals in Westchester County.It is immaterial what order he calls on them.How many ways can he organize his calls?

To apply the special rule of addition,the events must be independent.

When are two events mutually exclusive?

Two coins are tossed.The tossing the coins is called an experiment,and one possible event is two heads.

The classical approach to probability requires that the outcomes of an experiment are not equally likely.

An experiment may have:

What does equal?

A probability of 1.0 is assigned to an event that is certain not to occur.

A tree diagram portrays outcomes that are mutually exclusive.

The probability of two or more events occurring concurrently is called a(n)

What is a probability that is based on someone's opinion,guess or hunch called? ____________________

A coin is tossed four times.The probability is ¼ or 0.25 that all four tosses will result in a head face up.

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

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

A combination of a set of objects is defined by the order of the objects.

If two events are independent,then their joint probability is

What Is Statistics

Describing Data: Frequency Distributions and Graphic Presentations

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

Linear Regression and Correlation

Multiple Regression and Correlation Analysis

Chi-Square Applications

Filters