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6. You are the quality control manager of a LED light bulb manufacturing plant. The defect rate is 10%. You examine a sample of 20

6. You are the quality control manager of a LED light bulb manufacturing plant. The defect rate is 10%. You examine a sample of 20 bulbs with replacement. What is the probability that exactly 2 are defective? 7. You are the quality control manager of a LED light bulb manufacturing plant. The defect rate is 10%. You examine a sample of 20 bulbs with replacement. What is the probability that at least 4 are defective

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