Question 1

Elly's hot dog emporium is famous for its chilidogs. Elly's latest sales indicate that 30% of the customers order their chilidogs with hot peppers. Suppose 18 customers are selected at random. What is the probability that between two and six people inclusive want hot peppers? ________

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Question 2

A company is studying the number of daily debit card purchases. If there were 20 purchases and the probability of a debit card purchase is 0.5. What is the standard deviation of the number of debit card purchases? ____

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Question 3

Elly's hot dog emporium is famous for its chilidogs. Elly's latest sales indicate that 30% of the customers order their chilidogs with hot peppers. Suppose 18 customers are selected at random. What is the probability that exactly ten customers will ask for hot peppers? _______

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Question 4

When observing a check-out line at a food store, the average number of people served is 30 per hour. Using the Poisson distribution, what is the probability that 20 people check out in any given hour?

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Question 5

For the following probability distribution,  The variance is _____________.

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Question 6

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 exactly 1 flight is late?

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Question 7

For the following probability distribution,  The variance is _____________.

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Question 8

A company is studying the number of daily debit card purchases. If 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 ________.

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Question 9

When observing a check-out line at a food store, the average number of people served is 30 per hour. Using the Poisson distribution, what is the probability that no (zero) people check out in any given hour?

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Question 10

For the following probability distribution,  The standard deviation is _____________.

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Question 11

Affirmative action commitments by many 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 exactly one woman is selected? ________

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Question 12

A company is studying the number of daily debit card purchases. If there were 20 purchases and the probability of a debit card purchase is 0.5. Of the 20 purchases, what is the expected value of the number of debit card purchases? _________________

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Question 13

For the following probability distribution,  The mean is _____________.

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Question 14

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 1 or more are late?

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Question 15

For the following probability distribution,  The standard deviation is _____________.

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Question 16

For the following probability distribution,  The mean is _____________.

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Question 17

Elly's hot dog emporium is famous for its chilidogs. Elly's latest sales indicate that 30% of the customers order their chilidogs with hot peppers. Suppose 18 customers are selected at random. What is the probability that fifteen or more customers will want hot peppers? ____________

Accepted Answer

The answer of Elly's hot dog emporium is famous for...

Question 18

The arrival of customers at a service desk follows a Poisson distribution. If they arrive at a rate of four every five minutes, what is the probability that more than four customers arrive in a five minute period? ________

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Question 19

The arrival of customers at a service desk follows a Poisson distribution. If they arrive at a rate of two every five minutes, what is the probability that no customers arrive in a five-minute period? ______

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Question 20

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?

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Quiz 6: Discrete Probability Distributions

Elly's hot dog emporium is famous for its chilidogs. Elly's latest sales indicate that 30% of the customers order their chilidogs with hot peppers. Suppose 18 customers are selected at random. What is the probability that between two and six people inclusive want hot peppers? ________

A company is studying the number of daily debit card purchases. If there were 20 purchases and the probability of a debit card purchase is 0.5. What is the standard deviation of the number of debit card purchases? ____

Elly's hot dog emporium is famous for its chilidogs. Elly's latest sales indicate that 30% of the customers order their chilidogs with hot peppers. Suppose 18 customers are selected at random. What is the probability that exactly ten customers will ask for hot peppers? _______

When observing a check-out line at a food store, the average number of people served is 30 per hour. Using the Poisson distribution, what is the probability that 20 people check out in any given hour?

For the following probability distribution, The variance 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 exactly 1 flight is late?

For the following probability distribution, The variance is _____________.

A company is studying the number of daily debit card purchases. If 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 __.

When observing a check-out line at a food store, the average number of people served is 30 per hour. Using the Poisson distribution, what is the probability that no (zero) people check out in any given hour?

For the following probability distribution, The standard deviation is _____________.

A company is studying the number of daily debit card purchases. If there were 20 purchases and the probability of a debit card purchase is 0.5. Of the 20 purchases, what is the expected value of the number of debit card purchases? _________________

For the following probability distribution, The mean 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 1 or more are late?

For the following probability distribution, The standard deviation is _____________.

For the following probability distribution, The mean is _____________.

Elly's hot dog emporium is famous for its chilidogs. Elly's latest sales indicate that 30% of the customers order their chilidogs with hot peppers. Suppose 18 customers are selected at random. What is the probability that fifteen or more customers will want hot peppers? ____________

The arrival of customers at a service desk follows a Poisson distribution. If they arrive at a rate of four every five minutes, what is the probability that more than four customers arrive in a five minute period? ________

The arrival of customers at a service desk follows a Poisson distribution. If they arrive at a rate of two every five minutes, what is the probability that no customers arrive in a five-minute period? ______

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?