## Chapter 5. Probability Distributions

**5.1** Probability Distributions for Discrete Variables

**5.2** The Binomial and Poisson Probability Distributions

**5.3** Continuous Probability Distributions and the Normal Distribution

**5.4** The Normal Probability Plot

In Chapter 4, you learned to use the rules of probability to calculate the chance that a particular event would occur. In many situations, you can use specific probability models to estimate the probability that particular events would occur.

### 5.1 Probability Distributions for Discrete Variables

A probability distribution for a variable summarizes or models the probabilities associated with the events for that variable. The form the distribution takes ...

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