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Car Inspection: Of all the registered automobiles in Colorado, 5% fall the state emissions test. Thirteen automobiles are selected at random to undergo an emissions
Car Inspection: Of all the registered automobiles in Colorado, 5% fall the state emissions test. Thirteen automobiles are selected at random to undergo an emissions test. Round the answers to at least four decimal places. (a) Find the probability that exactly three of them fail the test. The probability that exactly three of them fail the test is 0.0137 . (b) Find the probability that fewer than three of them fall the test. The probability that fewer than three of them fail the test is D. D (c) Find the probability that more than two of them fail the test. The probability that more than two of them fail the test is E] . (d) Would it be unusual for none of them to fail the test? Use a cutoff of 0.05. It (choose one) V be unusual for none of them to fail the test since the probability is D
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