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Mathematics, 27.07.2019 11:00 Imamdiallo18

Astore has 80 modems in its inventory, 30 coming from source a and the remainder from source b. of the modems from source a; 20% are defective. of the modems from source b; 8% are defective. calculate the probability that exactly two out of a random sample of ve modems from the store's inventory are defective.

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