# EBook Problems Distrib Poisson

## Contents

## EBook Problems Set - Poisson Distribution

### Problem 1

Suppose X has a poisson distribution with a mean of 4. What is the probability of: P(X=8)?

- Choose one answer.

*(a) 0.0298*

*(b) 0.2980*

*(c) 0.3829*

*(d) 0.3912*

Answer

### Problem 2

Suppose X has a poisson distribution with a mean of 4. What is the probability of: P(X=0)?

- Choose one answer.

*(a) 0.0183*

*(b) 0.9321*

*(c) 0.0847*

*(d) 0.3982*

Answer

### Problem 3

Suppose the number of cars that enter a parking lot in an hour is a Poisson random variable, and suppose that P(X=0)=0.05. Determine the mean of X.

- Choose one answer.

*(a) 3.543*

*(b) 2.996*

*(c) 5.433*

*(d) 2.341*

Answer

### Problem 4

Suppose the number of cars that enter a parking lot in an hour is a Poisson random variable, and suppose that P(X=0)=0.05. Determine the variance of X.

- Choose one answer.

*(a) 2.996*

*(b) 3.232*

*(c) 9.321*

*(d) 0.349*

Answer

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