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Mathematics, 07.03.2020 05:23 megamorph

A contractor purchases a shipment of 99 transistors. The way the business works is that the contractor will randomly select and test 10 of these transistors, and keep the shipment only if at least 9 of the 10 are in working condition. If we know that overall, 20% of the transistors have defects (and thus not in working condition), then what is the probability the contractor will keep all the transistors?

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A contractor purchases a shipment of 99 transistors. The way the business works is that the contract...

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