(Answered) Question in a shipment of 20000 items 400 are defective

Statistics

Question: In a shipment of 20,000 items, 400 are defective. These are scattered randomly throughout the entire lot. Assume the probability of a defective is the same on each choice. What is the probability that

1. Two or more will appear in a random sample of 35?

2. At most five will appear in a random sample of 50?

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