Mathematics, 25.03.2020 20:30 benwill0702
A plumbing contractor obtains 60% of her boiler circulators from a company whose defect rate is 0.005, and the rest from a company whose defect rate is 0.010. What proportion of the circulators can be expected to be defective? If a circulator is defective, what is the probability that it came from the first company?
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A plumbing contractor obtains 60% of her boiler circulators from a company whose defect rate is 0.00...
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