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Q4. A company selling oranges that comes from four farms which harvesting 40, 35, 25percent, respectively, of its product. Suppose that the probabilities that an orange harvested by these farms is good are 0.99, 0.98, 0.94. If an orange is selected at random from output of the company, then

(a) What is the probability it is good?

(b) What is the probability it is defective given that it's from farm 2.

Fig: 1