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Please explain. Defective components: A iot of 10 components contains 3 that are defective. Two components are drawn at random and tested. Let! be the

Please explain.

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Defective components: A iot of 10 components contains 3 that are defective. Two components are drawn at random and tested. Let! be the event that the rst 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 decimai places. (a) Find PCA). (b) Find P(B IA). (c) Find P(A and B). (d) Are A and B independent? Explain

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