Hypothesis test for population mean

Reference no: EM1321148

Question: Porsche claims their roadster is as fast as Ferrari’s. The average top speed of the Porsche is 207 mph. A test of twenty-eight runs is done on the Ferrari copier giving a sample mean = 196 & a sample standard deviation s = 5.65. Using the significance level α = .02, & assuming a normal distribution what does the evidence conclude about the 2 roadsters.

Reference no: EM1321148

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