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Mathematics, 29.03.2021 23:00 cascyrio2002

incinerators can be a source of hazardous emissions into the atmosphere. Stack gas samples were collected from a sample of 30 incinerators in a major city and compared against the environmental standard. Of the 30 samples, only 15 passed the environmental test. Can it be concluded that fewer than half of the incinerators in the city meet the standard

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