Chapter 9: Introducing Probability

        9.1 The idea of probability
        9.2 Thinking about randomness
        9.3 Probability models
        9.4 Probability rules
        9.5 Assigning probabilities
        9.6 Normal probability models
        9.7 Random variables

        Probability Applet

         Tutorial: What is Probability? (Chapter 9, pp. 223-228)  

         Tutorial: Discrete vs. Continuous (Chapter 9, pp. 232-240)