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  3. 13 6 points pollution and altitude in a random sam

13 6 points Pollution and altitude In a random sample of 346 cars driven at...

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13 6 points Pollution and altitude In a random sample of 346 cars driven at low altitudes 51 of them exceeded a standard of 11 grams of particulate pollution per gallon of fuel consumed In an independent random sample of 80 cars driven at high altitudes 20 of them exceeded the standard Can you conclude that the proportion of high altitude vehicles exceeding the standard differs from the proportion of low altitude vehicles exceeding the standard Let p denote the proportion of low altitude vehicles exceeding the standard and p2 denote the proportion of high altitude vehicles exceeding the standard Use the a 0 05 level of significance and the P value method with the TI 84 Plus calculator

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