Question 1

The sum of the probabilities of the mutually exclusive outcomes of a probability distribution must equal_______ .

Accepted Answer

The answer of The sum of the probabilities of the...

Question 2

In a Poisson distribution each trail is_______ .

Accepted Answer

The answer of In a Poisson distribution each trail is_______...

Question 3

i. The mean of a binomial distribution is the product of the probability of success and the number of repetitions of the experiment. 
ii. The binomial probability distribution is always negatively skewed.
Iii) A binomial distribution has the characteristic that the probability of a success stays the same for each trial, but the probability of a failure varies from trial to trial.

Accepted Answer

A)  (i), (ii) and (iii) are all correct statements 
B)  (i) is a correct statement but not (ii) or (iii). 
C)  (i) and, (iii) are correct statements but not (ii). 
D)  (ii) and, (iii) are correct statements but not (i). 
E)  All statements are false 
A)  (i), (ii) and (iii) are all correct statements 
B)  (i) is a correct statement but not (ii) or (iii). 
C)  (i) and, (iii) are correct statements but not (ii). 
D)  (ii) and, (iii) are correct statements but not (i). 
E)  All statements are false

Question 4

The weight of an offensive linesman may be 205.15 pounds, 210.23 pounds, 225.05 pounds or 219.14 pounds. What is this an illustration of?

Accepted Answer

A)  Continuous random variable 
B)  Discrete random variable 
C)  Complement rule 
D)  All of the choices are correct 
E)  None of the choices are correct 
A)  Continuous random variable 
B)  Discrete random variable 
C)  Complement rule 
D)  All of the choices are correct 
E)  None of the choices are correct

Question 5

Affirmative action commitments by industrial organizations have led to an increase in the number of women in executive positions. Satellite Office Systems has vacancies for two executives that it will fill from among four women and six men.
What is the probability that at least one woman is selected?

Accepted Answer

A)  8/15 
B)  3/5 
C)  2/3 
D)  3/4 
E)  None of the choices are correct 
A)  8/15 
B)  3/5 
C)  2/3 
D)  3/4 
E)  None of the choices are correct

Question 6

When surveyed for brand recognition, 98% of consumers recognize Coke. A new survey of 800 randomly selected consumers is to be conducted. For such a group of 800, determine the mean and standard deviation for the number who recognize the Coke brand name. Considering as unusual a result that differs from the mean by more than two standard deviations, it ( (is/is not) ) unusual to get 790 consumers who recognize the Coke brand name.

Accepted Answer

A)  16, 3.96, is not 
B)  16, 16, is 
C)  784, 3.96, is not 
D)  784, 3.96, is 
E)  None of the choices are correct 
A)  16, 3.96, is not 
B)  16, 16, is 
C)  784, 3.96, is not 
D)  784, 3.96, is 
E)  None of the choices are correct

Question 7

A random variable with a Poisson distribution has one of_______ mutually exclusive values.

Accepted Answer

The answer of A random variable with a Poisson distribution...

Question 8

The probability that fifteen or more customers will want hot peppers is _______.

Accepted Answer

To provide a specific answer to the ques

Question 9

David's gasoline station offers 4 cents off per litre if the customer pays in cash and does not use a credit card. Past evidence indicates that 40% of all customers pay in cash. During a one-hour period twenty-five customers buy gasoline at this station.
What is the probability that more than ten and less than fifteen customers pay in cash?

Accepted Answer

A)  0.541 
B)  0.401 
C)  0.380 
D)  0.562 
E)  None of the choices are correct 
A)  0.541 
B)  0.401 
C)  0.380 
D)  0.562 
E)  None of the choices are correct

Question 10

The probability that between two and six people inclusive want hot peppers is ______.

Accepted Answer

To provide an answer to the question abo

Question 11

Which of the following is a requirement for use of the hypergeometric distribution?

Accepted Answer

A)  Only 2 possible outcomes 
B)  Trials are independent 
C)  Probability of a success is greater than 1.0 
D)  All of the choices are correct 
E)  None of the choices are correct is correct 
A)  Only 2 possible outcomes 
B)  Trials are independent 
C)  Probability of a success is greater than 1.0 
D)  All of the choices are correct 
E)  None of the choices are correct is correct

The sum of the probabilities of the mutually exclusive outcomes of a probability distribution must equal_______ .

In a Poisson distribution each trail is_______ .

The weight of an offensive linesman may be 205.15 pounds, 210.23 pounds, 225.05 pounds or 219.14 pounds. What is this an illustration of?

A random variable with a Poisson distribution has one of_______ mutually exclusive values.

The probability that fifteen or more customers will want hot peppers is _______.

The probability that between two and six people inclusive want hot peppers is ______.

Which of the following is a requirement for use of the hypergeometric distribution?

What Is Statistics

Describing Data: Frequency Distributions and Graphic Presentation

Describing Data: Numerical Measures

A Survey of Probability Concepts

The Normal Probability Distribution

Sampling Methods and the Central Limit Theorem

Estimation and Confidence Intervals

One-Sample Tests of a Hypothesis

Two-Sample Tests of Hypothesis

Analysis of Variance

Linear Regression and Correlation

Multiple Regression and Correlation Analysis

Chi-Square Applications for Nominal Data

Index Numbers

Time Series and Forecasting

An Introduction to Decision Theory

Filters

Exam 5: Discrete Probability Distributions

The sum of the probabilities of the mutually exclusive outcomes of a probability distribution must equal_______ .

In a Poisson distribution each trail is_______ .

The weight of an offensive linesman may be 205.15 pounds, 210.23 pounds, 225.05 pounds or 219.14 pounds. What is this an illustration of?

A random variable with a Poisson distribution has one of_______ mutually exclusive values.

The probability that fifteen or more customers will want hot peppers is _______.

The probability that between two and six people inclusive want hot peppers is ______.

Which of the following is a requirement for use of the hypergeometric distribution?

What Is Statistics

Describing Data: Frequency Distributions and Graphic Presentation

Describing Data: Numerical Measures

A Survey of Probability Concepts

The Normal Probability Distribution

Sampling Methods and the Central Limit Theorem

Estimation and Confidence Intervals

One-Sample Tests of a Hypothesis

Two-Sample Tests of Hypothesis

Analysis of Variance

Linear Regression and Correlation

Multiple Regression and Correlation Analysis

Chi-Square Applications for Nominal Data

Index Numbers

Time Series and Forecasting

An Introduction to Decision Theory

Filters