Question 1

Which of the following is NOT one of the three conceptualizations of probability discussed in the text?

Accepted Answer

A) classical probability theory 
B) standard scores derived from probabilities 
C) estimation of probabilities from data 
D) events occurring in the long run 
A) classical probability theory 
B) standard scores derived from probabilities 
C) estimation of probabilities from data 
D) events occurring in the long run

Question 2

A marketing researcher at a computer company did a study examining user satisfaction with two operating systems.A total of 300 users were surveyed on the type of operating system used and their satisfaction with it.Use the following data set to answer questions 6-14:  
Given that it is impossible for a user to be satisfied and not satisfied with system 10 at the same time,these two events are called ___________________________.

Accepted Answer

A) simple events 
B) conditional probabilities 
C) complex probabilities 
D) mutually exclusive events 
A) simple events 
B) conditional probabilities 
C) complex probabilities 
D) mutually exclusive events

Question 3

Researchers in health and advertising are interested in looking at how alternative forms of alcohol advertising are related to actual alcohol use among youth.Imagine you have conducted a study looking at the relationship between owning an item that advertises alcohol (such as a hat,t-shirt or cup with an alcohol logo on it)and having tried alcohol among a group of 12-year-olds.You observe 500 cases total.Of those 500 cases,100 have tried alcohol.For the 100 cases who have tried alcohol,32 own an item that advertises alcohol.You wish to address the following research question: Is the observation that 32 out of 100 youths who have tried alcohol own an advertising item sufficient evidence to say that these two factors are related? What is the probability of obtaining a z score of 2.80?

Accepted Answer

The probability of o

Question 4

The probability that an individual is satisfied with his marriage (event A)and satisfied with his job (event B)is an example of
A _____.

Accepted Answer

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

Question 5

A biopsychologist is interested in how quickly rats learn a complicated maze.He puts 5 rats,labeled A,B,C,D,and E,in a box.He wants to run two of the rats through a maze,one rat at a time.What is the probability that the biopsychologist will run rat B through the maze first and then run rat E through the maze second?

Accepted Answer

A) .0083 
B) .05 
C) .10 
D) .40 
A) .0083 
B) .05 
C) .10 
D) .40

Question 6

A marketing researcher at a computer company did a study examining user satisfaction with two operating systems.A total of 300 users were surveyed on the type of operating system used and their satisfaction with it.Use the following data set to answer questions 6-14:  
Using sampling with replacement,what is the probability of randomly selecting someone who is satisfied with system 10,and then randomly selecting someone who is satisfied with system 9?

Accepted Answer

A) .096 
B) .573 
C) .167 
D) .799 
A) .096 
B) .573 
C) .167 
D) .799

Question 7

A combination of a set of objects or events is a sequence in which the internal ordering of elements is:

Accepted Answer

A) systematic 
B) predetermined 
C) important 
D) irrelevant 
A) systematic 
B) predetermined 
C) important 
D) irrelevant

Question 8

The ____________________ is the competing hypothesis to the null hypothesis.

Accepted Answer

alternativ

Question 9

A new drug developed to fight depression has a .20 probability of causing dizziness.A person takes the drug 100 times.
What is the mean and standard deviation of the binomial distribution of this data?

Accepted Answer

A) mean = 20,standard deviation = 4 
B) mean = 20,standard deviation = 16 
C) mean = 80,standard deviation = 4 
D) mean = 80,standard deviation = 16 
A) mean = 20,standard deviation = 4 
B) mean = 20,standard deviation = 16 
C) mean = 80,standard deviation = 4 
D) mean = 80,standard deviation = 16

Question 10

A set of objects that are arranged such that the internal order is irrelevant is called a ____.

Accepted Answer

A) combination 
B) binomial root 
C) permutation 
D) simple event 
A) combination 
B) binomial root 
C) permutation 
D) simple event

Question 11

A marketing researcher at a computer company did a study examining user satisfaction with two operating systems.A total of 300 users were surveyed on the type of operating system used and their satisfaction with it.Use the following data set to answer questions 6-14:  
Using sampling without replacement,what is the probability of randomly selecting someone who is not satisfied with system 9,and then randomly selecting someone who is not satisfied with system 10?

Accepted Answer

A) .241 
B) .020 
C) .004 
D) .005 
A) .241 
B) .020 
C) .004 
D) .005

Question 12

The process of randomly selecting a case,taking some measurement of interest,and then returning the case to the population is called:

Accepted Answer

A) sampling without replacement 
B) sampling with replacement 
C) sampling without error 
D) sampling with error 
A) sampling without replacement 
B) sampling with replacement 
C) sampling without error 
D) sampling with error

Question 13

A set of mutually exclusive and exhaustive outcomes and their associated probabilities is known as a probability distribution.

Accepted Answer

A) True 
 B)False

Question 14

Researchers in health and advertising are interested in looking at how alternative forms of alcohol advertising are related to actual alcohol use among youth.Imagine you have conducted a study looking at the relationship between owning an item that advertises alcohol (such as a hat,t-shirt or cup with an alcohol logo on it)and having tried alcohol among a group of 12-year-olds.You observe 500 cases total.Of those 500 cases,100 have tried alcohol.For the 100 cases who have tried alcohol,32 own an item that advertises alcohol.You wish to address the following research question: Is the observation that 32 out of 100 youths who have tried alcohol own an advertising item sufficient evidence to say that these two factors are related? Calculate the standard deviation of the binomial distribution.Assume that q = 1p.

Accepted Answer

The answer of Researchers in health and advertising are interested...

Question 15

A joint probability can be represented as p(A,B),where p(A,B)stands for the probability of both event A and event B occurring.

Accepted Answer

A) True 
 B)False

Question 16

If the observed result of a study is similar enough to the outcome stated in the null hypothesis such that it can reasonably be attributed to chance,we will _____ the null hypothesis.

Accepted Answer

A) accept 
B) reject 
C) fail to reject 
D) revise 
A) accept 
B) reject 
C) fail to reject 
D) revise

Question 17

A permutation of a set of objects or events ____.

Accepted Answer

A) is an ordered sequence 
B) is a sequence in which order doesn't matter 
C) is a random selection of events 
D) has fewer events than a combination 
A) is an ordered sequence 
B) is a sequence in which order doesn't matter 
C) is a random selection of events 
D) has fewer events than a combination

Question 18

The ____________________ is the statistical hypothesis that states that any differences observed are merely due to chance.

Accepted Answer

The answer of The ____________________ is the statistical hypothesis that...

Question 19

The sum of the frequencies in the corresponding row or column of a contingency table are referred to as marginal frequencies.

Accepted Answer

A) True 
 B)False

Question 20

Sampling with replacement involves the random selection of a given case and the replacement of that case with a different case from the same population.

Accepted Answer

A) True 
 B)False

Which of the following is NOT one of the three conceptualizations of probability discussed in the text?

The probability that an individual is satisfied with his marriage (event A)and satisfied with his job (event B)is an example of A _____.

A combination of a set of objects or events is a sequence in which the internal ordering of elements is:

The ____________________ is the competing hypothesis to the null hypothesis.

A new drug developed to fight depression has a .20 probability of causing dizziness.A person takes the drug 100 times. What is the mean and standard deviation of the binomial distribution of this data?

A set of objects that are arranged such that the internal order is irrelevant is called a ____.

The process of randomly selecting a case,taking some measurement of interest,and then returning the case to the population is called:

A set of mutually exclusive and exhaustive outcomes and their associated probabilities is known as a probability distribution.

A joint probability can be represented as p(A,B),where p(A,B)stands for the probability of both event A and event B occurring.

If the observed result of a study is similar enough to the outcome stated in the null hypothesis such that it can reasonably be attributed to chance,we will _____ the null hypothesis.

A permutation of a set of objects or events ____.

The ____________________ is the statistical hypothesis that states that any differences observed are merely due to chance.

The sum of the frequencies in the corresponding row or column of a contingency table are referred to as marginal frequencies.

Sampling with replacement involves the random selection of a given case and the replacement of that case with a different case from the same population.

Introduction and Mathematical Preliminaries

Frequency and Probability Distributions

Measures of Central Tendency and Variability

Percentiles,percentile Ranks,standard Scores,and the Normal Distribution

Pearson Correlation and Regression: Descriptive Aspects

Estimation and Sampling Distributions

Hypothesis Testing: Inferences About a Single Mean

Principles of Research Design and Statistical Preliminaries for Analyzing Bivariate Relationships

Independent Groups T-Test

Correlated Groups T-Test

One-Way Repeated Measures Analysis of Variance

Pearson Correlation and Regression: Inferential Aspects

Chi-Square Test

Nonparametric Statistics

Two-Way Between-Subjects Analysis of Variance

Overview and Extension: Statistical Tests for More Complex Designs

Filters

Exam 6: Probability

Which of the following is NOT one of the three conceptualizations of probability discussed in the text?

The probability that an individual is satisfied with his marriage (event A)and satisfied with his job (event B)is an example of A _____.

A combination of a set of objects or events is a sequence in which the internal ordering of elements is:

The ____________________ is the competing hypothesis to the null hypothesis.

A new drug developed to fight depression has a .20 probability of causing dizziness.A person takes the drug 100 times. What is the mean and standard deviation of the binomial distribution of this data?

A set of objects that are arranged such that the internal order is irrelevant is called a ____.

The process of randomly selecting a case,taking some measurement of interest,and then returning the case to the population is called:

A set of mutually exclusive and exhaustive outcomes and their associated probabilities is known as a probability distribution.

A joint probability can be represented as p(A,B),where p(A,B)stands for the probability of both event A and event B occurring.

If the observed result of a study is similar enough to the outcome stated in the null hypothesis such that it can reasonably be attributed to chance,we will _____ the null hypothesis.

A permutation of a set of objects or events ____.

The ____________________ is the statistical hypothesis that states that any differences observed are merely due to chance.

The sum of the frequencies in the corresponding row or column of a contingency table are referred to as marginal frequencies.

Sampling with replacement involves the random selection of a given case and the replacement of that case with a different case from the same population.

Introduction and Mathematical Preliminaries

Frequency and Probability Distributions

Measures of Central Tendency and Variability

Percentiles,percentile Ranks,standard Scores,and the Normal Distribution

Pearson Correlation and Regression: Descriptive Aspects

Estimation and Sampling Distributions

Hypothesis Testing: Inferences About a Single Mean

Principles of Research Design and Statistical Preliminaries for Analyzing Bivariate Relationships

Independent Groups T-Test

Correlated Groups T-Test

One-Way Repeated Measures Analysis of Variance

Pearson Correlation and Regression: Inferential Aspects

Chi-Square Test

Nonparametric Statistics

Two-Way Between-Subjects Analysis of Variance

Overview and Extension: Statistical Tests for More Complex Designs

Filters