Mathematics, 22.07.2020 07:01 Gloryreak8201
A car dealer recommends that transmissions be serviced at 30,000 miles. To see whether her customers are adhering to this recommendation, the dealer selects a random sample of 40 customers and finds that the average mileage of the automobiles serviced is 30,456. The standard deviation of the population is 1684 miles. By finding the P-Âvalue, determine whether the owners are having their transmissions serviced at 30,000 miles. Use α = 0.10. Are the owners having their transmissions serviced at 30,000 miles?
Answers: 1
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A car dealer recommends that transmissions be serviced at 30,000 miles. To see whether her customers...
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