Each salesperson in a large department store chain is rated on his or her sales ability and potential for advancement. The data for the 500 sampled salespeople are summarized in the following table. Potential for Advancement Fair Good Excellent 16 12 22 45 60 45 72 Below average Average Above average Sales ability 93 135 What is the probability that a salesperson selected at random will have an excellent potential for advancement given he or she also has average sales ability? 0.27 0.30 0.404 0.45 A study of interior designers' opinions with respect to the most desirable primary color for executive offices showed the following Number of Opinions 58 Primary Color Red Orange Yellow Green Blue Indigo Violet 52 80 57 71 80 2 What is the probability that a designer does not prefer yellow? 0.000 0.850 0.800 1.000