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aariannahnorwoo
09.11.2020 •
Mathematics
Of all the registered automobiles in a city, 12% fail the emissions test. Fifteen automobiles are selected at random to undergo an emissions test. Round the answers to four decimal places. Round the answers to 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 . 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 . 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 . Part 4 of 4 (d) Would it be unusual for none of them to fail the test? Since the probability is
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Ответ:
Calculate the area of rectangle BCDE
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