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Mathematics, 16.03.2020 20:51 Serenitybella
A chemical company claims that its new additives increases gasmileage. As a pilot study, the company send 36 cars fueled withthe new additive on a road trip from Las Vegas to LA. Without the additive, those same cars are known to average 25mpg with a standard deviation of 2.4 mpg. Suppose it turns out that the 36 cars averaged 25.8 mpg with theadditive. Is this additive effective
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A chemical company claims that its new additives increases gasmileage. As a pilot study, the company...
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