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The average gasoline price of one of the major oil companies has been $3.19 per gallon. Because of cost reduction measures, it is believed that

The average gasoline price of one of the major oil companies has been $3.19 per gallon. Because of cost reduction measures, it is believed that there has been a significant reduction in the average price. In order to test this belief, we randomly selected a sample of 36 of the company's gas stations and determined that the average price for the stations in the sample was $3.04. Assume that the standard deviation of the population is $0.32 The hypothesized value of the population mean is _____. 3.04 0.32 unknown 36 3.19

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