Question: Contamination problems in semiconductor manufacturing can result in a functional defect, a minor defect, or no defect in the final product. Suppose that 20, 50,

Contamination problems in semiconductor manufacturing can result in a functional defect, a minor defect, or no defect in the final product. Suppose that 20, 50, and 30% of the contamination problems result in functional, minor, and no defects, respectively. Assume that the effects of 10 contamination problems are independent.
(a) What is the probability that the 10 contamination problems result in two functional defects and five minor defects?
(b) What is the distribution of the number of contamination problems that result in no defects?
(c) What is the expected number of contamination problems that result in no defects?

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