Mathematics, 17.07.2019 17:30 mistiehaas
One of the important factors in auto safety is the weight of the vehicle. insurance companies are interested in knowing the average weight of cars currently licensed in the united states; they believe it is 3000 pounds. to see if that estimate is correct, they checked a random sample of 91 cars. for that group, the mean weight was 2919 pounds, with a standard deviation of 531.5 pounds. provide the: h0,ha, test statistic and approximate p-value. check all conditions and interpret your decision in the context of the claim. is this strong evidence that the mean weight of all cars differs from 3000 pounds at alpha= .01?
Answers: 3
Mathematics, 21.06.2019 17:00
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Mathematics, 21.06.2019 18:30
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Mathematics, 21.06.2019 20:00
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Mathematics, 22.06.2019 03:00
Asingle die is rolled twice. find the probability of rolling a 3 the first time and a 2 the second time
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One of the important factors in auto safety is the weight of the vehicle. insurance companies are in...
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