1. Identify a commonly used graphical technique for portraying events and relationships among events.
2. What does it mean for two or more events to be mutually exclusive?
3. Suppose that E is an event. Use probability notation to represent
a. the probability that event E occurs.
b. the probability that event E occurs is 0.436.
4. Answer true or false to each statement and explain your answers.
a. For any two events, the probability that one or the other of the events occurs equals the sum of the two individual probabilities.
b. For any event, the probability that it occurs equals 1 minus the probability that it does not occur.