Defective components: A lot of 9 components contains 4 that are defective. Two components are...
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Defective components: A lot of 9 components contains 4 that are defective. Two components are drawn at random and tested. Let A be the event that the first component drawn is defective, and let B be the event that the second component drawn is defective. Write your answer as a fraction or a decimal, rounded to four decimal places.(a) Find P (4).(b) Find P (B|A).(c) Find P (A and B).(d) Are A and B independent? Explain.
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