ID: 18396Nhận biết (M1) In a certain assembly plant, three machines, , , and , make , , and , respectively, of the products. It is known from past experience that , , and of the products made by each machine, respectively, are defective. Now, suppose that a finished product is randomly selected.
(a) What is the probability that it is non-defective?
(b) If a product was chosen randomly and found to be defective, what is the probability that it was made by machine
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Nhận biết (M1)
In a certain assembly plant, three machines, , , and , make , , and , respectively, of the products. It is known from past experience that , , and of the products made by each machine, respectively, are defective. Now, suppose that a finished product is randomly selected.
(a) What is the probability that it is non-defective?
(b) If a product was chosen randomly and found to be defective, what is the probability that it was made by machine
Đáp án đúng:
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