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Mathematics, 25.11.2021 14:20, swhorton6
Computer keyboard failures can be attributed to electrical defects or mechanical defects. A repair facility currently has 25 failed keyboards, 13 of which have electrical defects and 12 of which have mechanical defects. (a) How many ways are there to randomly select 6 of these keyboards for a thorough inspection (without regard to order)? 38760 Incorrect: Your answer is incorrect. seenKey 177,100 ways (b) In how many ways can a sample of 6 keyboards be selected so that exactly two have an electrical defect? ways (c) If a sample of 6 keyboards is randomly selected, what is the probability that at least 5 of these will have a mechanical defect? (Round your answer to four decimal places.)
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Computer keyboard failures can be attributed to electrical defects or mechanical defects. A repair f...
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