8 Car inspection: Of all the registered automobiles in a city, 10% fail the emissions test....
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8 Car inspection: Of all the registered automobiles in a city, 10% fail the emissions test. Fifteen automobiles are selected at random to undergo an emissions Espao test. Round the answers to at least four decimal places. Part 1 of 4 (a) Find the probability that exactly four of them fail the test. The probability that exactly four of them fail the test is 0.1713) Part 2 of 4 (b) Find the probability that fewer than four of them fail the test. The probability that fewer than four of them fail the test is 0.9489 x Part 3 of 4 (c) Find the probability that more than three of them fail the test. The probability that more than three of them fail the test is 0.1507 Part 4 of 4 (d) Would it be unusual for fewer than three of them to fail the test? X It would not be unusual for fewer than three of them to fail the test since the probability is 1.0062 8 Car inspection: Of all the registered automobiles in a city, 10% fail the emissions test. Fifteen automobiles are selected at random to undergo an emissions Espao test. Round the answers to at least four decimal places. Part 1 of 4 (a) Find the probability that exactly four of them fail the test. The probability that exactly four of them fail the test is 0.1713) Part 2 of 4 (b) Find the probability that fewer than four of them fail the test. The probability that fewer than four of them fail the test is 0.9489 x Part 3 of 4 (c) Find the probability that more than three of them fail the test. The probability that more than three of them fail the test is 0.1507 Part 4 of 4 (d) Would it be unusual for fewer than three of them to fail the test? X It would not be unusual for fewer than three of them to fail the test since the probability is 1.0062
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