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snowmobile manufacturers are KitchenAid stand a 39 MPG rating independent testing firm has been contacted to...

snowmobile manufacturers are KitchenAid stand a 39 MPG rating independent testing firm has been contacted to tell cxl MPG for the saying since it is believed that the van has an incorrect in PG rating after testing 123 found them mean in PDF 38.8% of the population standard deviation is known to be 2.2 level of significance of 0.02 able to find the P value of the test statistic

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Answer #1

sample mean = 38.8

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