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17. An air-conditioner manufacturer uses a comprehensive set of tests to access the functions of its products. All air conditioners must pass all tests before

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17. An air-conditioner manufacturer uses a comprehensive set of tests to access the functions of its products. All air conditioners must pass all tests before they can be sold. 200 air conditioners were randomly sampled and 5 failed one or more tests. Find the 90% confidence interval for the proportion of air-conditioners from the population that pass all the tests

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