A First Course in Statistics, 12th Edition

4 Random Variables and Probability Distributions

Contents

1. 4.1 Two Types of Random Variables

2. 4.2 Probability Distributions for Discrete Random Variables

3. 4.3 The Binomial Random Variable

4. 4.4 Probability Distributions for Continuous Random Variables

5. 4.5 The Normal Distribution

6. 4.6 Descriptive Methods for Assessing Normality

7. 4.7 Approximating a Binomial Distribution with a Normal Distribution (Optional)

8. 4.8 Sampling Distributions

9. 4.9 The Sampling Distribution of $\overline{x}$ and the Central Limit Theorem

Where We’ve Been

• Used probability to make an inference about a population from data in an observed sample

• Used probability to measure the reliability ...