Basic Statistics & Probability
Basic Counting Principle
Now that you have learned all the hard ways to chart possible outcomes using organized lists, tree diagrams, and area models, it's time to learn the elegant short cut.
Basic counting principle: to find the total possible outcomes for two or more events, simply multiply the possible outcomes for each event together
Total Outcomes = # of outcomes for event 1 × # of outcomes for event 2 × # of outcomes for event 3, and so on…