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Mathematics, 01.11.2019 02:31 edgar504xx
Amanufacturer knows that on average 10% of toasters produced require repairs within 1 year after they are sold. when 18 toasters are randomly selected, find the smallest number x and largest number y such that (a) the probability that at least x of them will require repairs is less than 0.54; (b) the probability that at least y of them will not require repairs is greater than 0.8.
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