Incinerators can be a source of hazardous emissions into the atmosphere. Many gas samples were collected from a sample o

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answerhappygod
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Incinerators can be a source of hazardous emissions into the atmosphere. Many gas samples were collected from a sample o

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Incinerators can be a source of hazardous emissions into the
atmosphere. Many gas samples were collected from a sample of 50
incinerators in one city. Of the 50, only 18 met an environmental
standard for the concentration of a hazardous compound. a) Can it
be concluded that less than half of the incinerators in the city
meet the standard?
b) Can it be concluded that the percentage of incinerators in the
city that meet the standard is different from 0.4?
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