Mathematics, 01.02.2021 23:00 malik70831
An automobile manufacturer claims that its van has a 43.043.0 miles/gallon (MPG) rating. An independent testing firm has been contracted to test the MPG for this van since it is believed that the van has an incorrect manufacturer's MPG rating. After testing 220220 vans, they found a mean MPG of 43.243.2. Assume the standard deviation is known to be 1.61.6. A level of significance of 0.10.1 will be used. State the hypotheses.
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An automobile manufacturer claims that its van has a 43.043.0 miles/gallon (MPG) rating. An independ...
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