A recent survey of people who eat salad suggest that 78 percent like tomatoes on their salad, 49 percent like cheese on their salad, and 36 percent like both tomatoes and cheese on their salad. Suppose a person who eats salad is selected at random, and find they like cheese on their salad. What is the probability that the person also likes tomatoes on their salad?
Use conditional probability: the probability a person likes tomatoes given that they like cheese is the probability they like both divided by the probability they like cheese. So, 0.36 ÷ 0.49 ≈ 0.73. The answer is C, 0.73.
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