Draw an appropriate tree diagram, and use the multiplication principle to calculate the probabilities of all the outcomes. HINT [See Example 3.]Each day, there is a 20% chance that you will sell an automobile. You know that 30% of all the automobiles you sell are two-door models and the rest are four-door models.

P(Sell 2-door)=

P(Sell 4-door)=

P(No sale)=