Mathematics, 24.04.2020 15:18 kris1920
An automobile manufacturer has given its jeep a 50.5 miles/gallon (MPG) rating. An independent testing firm has been contracted to test the actual MPG for this jeep since it is believed that the jeep has an incorrect manufacturer's MPG rating. After testing 280 jeeps, they found a mean MPG of 50.7. Assume the population standard deviation is known to be 1.3. A level of significance of 0.05 will be used. State the null and alternative hypotheses.
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An automobile manufacturer has given its jeep a 50.5 miles/gallon (MPG) rating. An independent testi...
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