Exam 6: Discrete Probability Distributions

Elly's Hotdog Emporium is famous for its chilidogs. Elly's latest sales indicate that 30% of the customers order their chilidogs with hot peppers. Suppose 15 customers are selected at random. What is the probability that between two and six people inclusive want hot peppers?

(Short Answer)

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Question 81

A true/false test consists of six questions. If you guess the answer to each question, what is the probability of getting all six questions correct?

(Multiple Choice)

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Question 82

Which of the following is NOT a characteristic of a binomial probability distribution?

(Multiple Choice)

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Question 83

For the following probability distribution: The mean is _____________.

(Short Answer)

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Question 84

For the following distribution: What is the mean of the distribution?

(Multiple Choice)

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Question 85

To construct a binomial distribution, we need to know the ___________ and the probability of a success.

(Short Answer)

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Question 86

What kind of distributions are the binomial and Poisson probability distributions?

(Multiple Choice)

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Question 87

Carlson Jewelers permits the return of their diamond wedding rings, provided the return occurs within two weeks of the purchase date. Their records reveal that 10% of the diamond wedding rings are returned. Five different customers buy a wedding ring. What is the probability that none of the customers return a ring?

(Multiple Choice)

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Question 88

A probability distribution is a listing of the expected outcomes of an experiment and the probability of each outcome occurring. The sum of the probabilities is ______.

(Short Answer)

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Question 89

A company is studying the number of daily debit card purchases. There were 20 purchases and the probability of a debit card purchase is 0.5. Based on the shape of the distribution, approximately 99.7% of the purchases should be between _ and __.

(Short Answer)

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Question 90

The Poisson distribution or, the law of improbable events, is _______________ skewed.

(Short Answer)

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Question 91

A probability distribution is a mutually exclusive and collectively exhaustive listing of experimental outcomes that can occur by chance, and their corresponding probabilities.

(True/False)

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Question 92

For the following distribution: What is the variance of the distribution?

(Multiple Choice)

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Question 93

Judging from recent experience, 5% of the computer keyboards produced by an automatic, high-speed machine are defective. If six keyboards are randomly selected, what is the probability that none of the keyboards are defective?

(Multiple Choice)

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Question 94

The following is a Poisson probability distribution with µ = 0.1. The variance of the distribution is ______.

(Multiple Choice)

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Question 95

David's gasoline station offers 4 cents off per gallon 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, 15 customers buy gasoline at this station. What is the probability that more than 8 and less than 12 customers pay in cash?

(Multiple Choice)

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Question 96

If π = 1/3 and n = 900, the mean of this binomial distribution is ______.

(Short Answer)

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Question 97

There are eight flights from Minneapolis to St. Cloud each day. The probability that any one flight is late is 0.10. Using the binomial probability formula, what is the probability that none are late?

(Short Answer)

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Question 98

A coin is tossed four times. The following table summarizes the experiment. What is the following table called?

(Multiple Choice)

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Question 99

For a binomial distribution, explain why .

(Essay)

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Question 100

Showing 81 - 100 of 114

Elly's Hotdog Emporium is famous for its chilidogs. Elly's latest sales indicate that 30% of the customers order their chilidogs with hot peppers. Suppose 15 customers are selected at random. What is the probability that between two and six people inclusive want hot peppers?

A true/false test consists of six questions. If you guess the answer to each question, what is the probability of getting all six questions correct?

Which of the following is NOT a characteristic of a binomial probability distribution?

For the following probability distribution: The mean is _____________.

For the following distribution: What is the mean of the distribution?

To construct a binomial distribution, we need to know the ___________ and the probability of a success.

What kind of distributions are the binomial and Poisson probability distributions?

A probability distribution is a listing of the expected outcomes of an experiment and the probability of each outcome occurring. The sum of the probabilities is ______.

A company is studying the number of daily debit card purchases. There were 20 purchases and the probability of a debit card purchase is 0.5. Based on the shape of the distribution, approximately 99.7% of the purchases should be between _ and __.

The Poisson distribution or, the law of improbable events, is _______________ skewed.

A probability distribution is a mutually exclusive and collectively exhaustive listing of experimental outcomes that can occur by chance, and their corresponding probabilities.

For the following distribution: What is the variance of the distribution?

Judging from recent experience, 5% of the computer keyboards produced by an automatic, high-speed machine are defective. If six keyboards are randomly selected, what is the probability that none of the keyboards are defective?

The following is a Poisson probability distribution with µ = 0.1. The variance of the distribution is ______.

If π = 1/3 and n = 900, the mean of this binomial distribution is ______.

There are eight flights from Minneapolis to St. Cloud each day. The probability that any one flight is late is 0.10. Using the binomial probability formula, what is the probability that none are late?

A coin is tossed four times. The following table summarizes the experiment. What is the following table called?

For a binomial distribution, explain why .

What Is Statistics

Describing Data: Frequency Tables, Frequency Distributions, and Graphic Presentation

Describing Data: Numerical Measures

Describing Data: Displaying and Exploring Data

A Survey of Probability Concepts

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: Goodness-Of-Fit Tests

Filters

Exam 6: Discrete Probability Distributions

Elly's Hotdog Emporium is famous for its chilidogs. Elly's latest sales indicate that 30% of the customers order their chilidogs with hot peppers. Suppose 15 customers are selected at random. What is the probability that between two and six people inclusive want hot peppers?

A true/false test consists of six questions. If you guess the answer to each question, what is the probability of getting all six questions correct?

Which of the following is NOT a characteristic of a binomial probability distribution?

For the following probability distribution: The mean is _____________.

For the following distribution: What is the mean of the distribution?

To construct a binomial distribution, we need to know the ___________ and the probability of a success.

What kind of distributions are the binomial and Poisson probability distributions?

A probability distribution is a listing of the expected outcomes of an experiment and the probability of each outcome occurring. The sum of the probabilities is ______.

A company is studying the number of daily debit card purchases. There were 20 purchases and the probability of a debit card purchase is 0.5. Based on the shape of the distribution, approximately 99.7% of the purchases should be between _______ and ________.

The Poisson distribution or, the law of improbable events, is _______________ skewed.

A probability distribution is a mutually exclusive and collectively exhaustive listing of experimental outcomes that can occur by chance, and their corresponding probabilities.

For the following distribution: What is the variance of the distribution?

Judging from recent experience, 5% of the computer keyboards produced by an automatic, high-speed machine are defective. If six keyboards are randomly selected, what is the probability that none of the keyboards are defective?

The following is a Poisson probability distribution with µ = 0.1. The variance of the distribution is ______.

If π = 1/3 and n = 900, the mean of this binomial distribution is ______.

There are eight flights from Minneapolis to St. Cloud each day. The probability that any one flight is late is 0.10. Using the binomial probability formula, what is the probability that none are late?

A coin is tossed four times. The following table summarizes the experiment. What is the following table called?

For a binomial distribution, explain why .

What Is Statistics

Describing Data: Frequency Tables, Frequency Distributions, and Graphic Presentation

Describing Data: Numerical Measures

Describing Data: Displaying and Exploring Data

A Survey of Probability Concepts

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: Goodness-Of-Fit Tests

Filters

A company is studying the number of daily debit card purchases. There were 20 purchases and the probability of a debit card purchase is 0.5. Based on the shape of the distribution, approximately 99.7% of the purchases should be between _ and __.