Mathematics, 26.03.2020 23:24, ciarrap552

. A foundry ships a lot of 20 engine blocks of which 5 contain internal flaws. The purchaser will select three blocks at random and test them for hardness. The lot will be accepted if no flaws are found. What is the probability that this lot will be accepted

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. A foundry ships a lot of 20 engine blocks of which 5 contain internal flaws. The purchaser will se...