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# Introduction to Probability and Statistics, 14th Edition by William Mendenhall – Test Bank

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• ISBN-10 ‏ : ‎ 1133103758
• ISBN-13 ‏ : ‎ 978-1133103752

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SKU:tb1002610

## Introduction to Probability and Statistics, 14th Edition by William Mendenhall – Test Bank

MBB.IntroProb13.ch05sec3

TRUE/FALSE

1. The Poisson probability distribution is an example of continuous probability distribution.

ANS: F PTS: 1

2. The probability distribution of a Poisson random variable provides a good model for data that represent the number of occurrences of a specified event in a given unit of time or space.

ANS: T PTS: 1

3. In a Poisson problem, x represents the number of events occurring in a period of time or space during which an average of such events can be expected to occur.

ANS: T PTS: 1

4. The Poisson probability distribution provides good approximations to binomial probabilities when n is large and is small, preferably with np < 7.

ANS: T PTS: 1

5. The Poisson distribution is applied to events for which the probability of occurrence over a given span of time, space, or distance is large.

ANS: F PTS: 1

6. The mean and variance of the Poisson distribution are equal.

ANS: T PTS: 1

7. Poisson distribution is appropriate to determine the probability of a given number of defective items in a shipment.

ANS: F PTS: 1

8. The Poisson distribution is applied to events for which the probability of occurrence over a given span of time, space, or distance is very small.

ANS: T PTS: 1

9. The mean of a Poisson distribution, where is the average number of successes occurring in a specified interval, is .

ANS: F PTS: 1

10. The Poisson probability distribution is an example of a continuous probability distribution.

ANS: F PTS: 1

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