Question 1

To summarize the frequencies of two nominal or ordinal variables and compute conditional probabilities, a ___________ can be used.

Accepted Answer

The answer of To summarize the frequencies of two nominal...

Question 2

There are 10 AAA batteries in a box and 3 are defective. Two batteries are selected without replacement. What is the probability of selecting a defective battery followed by another defective battery?

Accepted Answer

A)  ½ or 0.50 
B)  ¼ or 0.25 
C)  1/120 or about 0.0083 
D)  1/15 or about 0.07 
A)  ½ or 0.50 
B)  ¼ or 0.25 
C)  1/120 or about 0.0083 
D)  1/15 or about 0.07

Question 3

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 4

When the special rule of addition is used, the events must be _______________.

Accepted Answer

The answer of When the special rule of addition is...

Question 5

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 yellow?

Accepted Answer

A)  0.000 
B)  0.765 
C)  0.885 
D)  1.000 
A)  0.000 
B)  0.765 
C)  0.885 
D)  1.000

Question 6

A lamp manufacturer designed five lamp bases and four lampshades that could be used together. How many different arrangements of base and shade can be offered?

Accepted Answer

A)  5 
B)  10 
C)  15 
D)  20 
A)  5 
B)  10 
C)  15 
D)  20

Question 7

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 8

Suppose you toss a coin four times and get heads four times (no tails). The probability that heads will appear on the next toss of the coin is ____.

Accepted Answer

The answer of Suppose you toss a coin four times...

Question 9

What is the difference between a permutation and a combination?

Accepted Answer

Both methods compute the number of possi

Question 10

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 11

The first card selected from a standard 52-card deck was a king. If it is NOT returned to the deck, what is the probability that a king will be drawn on the second selection?

Accepted Answer

A)  1/3 or 0.33 
B)  1/51 or 0.0196 
C)  3/51 or 0.0588 
D)  1/13 or 0.077 
A)  1/3 or 0.33 
B)  1/51 or 0.0196 
C)  3/51 or 0.0588 
D)  1/13 or 0.077

Question 12

In a tree diagram that illustrates the joint probabilities for a probability problem, the sum of all the joint probabilities must equal _______________.

Accepted Answer

The answer of In a tree diagram that illustrates the...

Question 13

Which approach to probability is exemplified by the following formula?

Accepted Answer

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

Question 14

If A and B are mutually exclusive events with P(A) = 0.2 and P(B) = 0.6, then P(A or B) = _____.

Accepted Answer

A)  0.00 
B)  0.12 
C)  0.8 
D)  0.4 
A)  0.00 
B)  0.12 
C)  0.8 
D)  0.4

Question 15

An experiment may have ____________.

Accepted Answer

A)  only one outcome 
B)  only two outcomes 
C)  one or more outcomes 
D)  several events 
A)  only one outcome 
B)  only two outcomes 
C)  one or more outcomes 
D)  several events

Question 16

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

Accepted Answer

A)  a conditional probability 
B)  a joint probability 
C)  1 
D)  0 
A)  a conditional probability 
B)  a joint probability 
C)  1 
D)  0

Question 17

When an experiment is conducted "without replacement," __________.

Accepted Answer

A)  Events are dependent 
B)  Events are equally likely 
C)  The experiment can be illustrated with a Venn diagram 
D)  The probability of two or more events is computed as a joint probability 
A)  Events are dependent 
B)  Events are equally likely 
C)  The experiment can be illustrated with a Venn diagram 
D)  The probability of two or more events is computed as a joint probability

Question 18

A probability is calculated by dividing the number of desired outcomes by the total number of occurrences. This approach to probability is called __________.

Accepted Answer

The answer of A probability is calculated by dividing the...

Question 19

A company set up a kiosk in the Mall of America for several hours and asked randomly selected people which color cell phone cover was their favorite. The results follow:   What is the probability that black, lime, or orange are the favorite colors, given that the person's age is 21 or older?

Accepted Answer

0.90
Explanation: Applying the special r

Question 20

When are two outcomes independent? Explain in terms of the rules of probability.
A. In other words, the probability of A is unaffected by
B.

Accepted Answer

Two outcomes are independent when the pr

To summarize the frequencies of two nominal or ordinal variables and compute conditional probabilities, a ___________ can be used.

There are 10 AAA batteries in a box and 3 are defective. Two batteries are selected without replacement. What is the probability of selecting a defective battery followed by another defective battery?

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

When the special rule of addition is used, the events must be _______________.

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 yellow?

A lamp manufacturer designed five lamp bases and four lampshades that could be used together. How many different arrangements of base and shade can be offered?

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?

Suppose you toss a coin four times and get heads four times (no tails). The probability that heads will appear on the next toss of the coin is ____.

What is the difference between a permutation and a combination?

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.

The first card selected from a standard 52-card deck was a king. If it is NOT returned to the deck, what is the probability that a king will be drawn on the second selection?

In a tree diagram that illustrates the joint probabilities for a probability problem, the sum of all the joint probabilities must equal _______________.

Which approach to probability is exemplified by the following formula?

If A and B are mutually exclusive events with P(A) = 0.2 and P(B) = 0.6, then P(A or B) = _____.

An experiment may have ____________.

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

When an experiment is conducted "without replacement," __________.

A probability is calculated by dividing the number of desired outcomes by the total number of occurrences. This approach to probability is called __________.

A company set up a kiosk in the Mall of America for several hours and asked randomly selected people which color cell phone cover was their favorite. The results follow: What is the probability that black, lime, or orange are the favorite colors, given that the person's age is 21 or older?

When are two outcomes independent? Explain in terms of the rules of probability. A. In other words, the probability of A is unaffected by B.

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

Filters

Exam 5: A Survey of Probability Concepts

To summarize the frequencies of two nominal or ordinal variables and compute conditional probabilities, a ___________ can be used.

There are 10 AAA batteries in a box and 3 are defective. Two batteries are selected without replacement. What is the probability of selecting a defective battery followed by another defective battery?

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

When the special rule of addition is used, the events must be _______________.

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 yellow?

A lamp manufacturer designed five lamp bases and four lampshades that could be used together. How many different arrangements of base and shade can be offered?

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?

Suppose you toss a coin four times and get heads four times (no tails). The probability that heads will appear on the next toss of the coin is ____.

What is the difference between a permutation and a combination?

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.

The first card selected from a standard 52-card deck was a king. If it is NOT returned to the deck, what is the probability that a king will be drawn on the second selection?

In a tree diagram that illustrates the joint probabilities for a probability problem, the sum of all the joint probabilities must equal _______________.

Which approach to probability is exemplified by the following formula?

If A and B are mutually exclusive events with P(A) = 0.2 and P(B) = 0.6, then P(A or B) = _____.

An experiment may have ____________.

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

When an experiment is conducted "without replacement," __________.

A probability is calculated by dividing the number of desired outcomes by the total number of occurrences. This approach to probability is called __________.

A company set up a kiosk in the Mall of America for several hours and asked randomly selected people which color cell phone cover was their favorite. The results follow: What is the probability that black, lime, or orange are the favorite colors, given that the person's age is 21 or older?

When are two outcomes independent? Explain in terms of the rules of probability. A. In other words, the probability of A is unaffected by B.

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

Filters