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15.3) During the last energy crisis, a government official

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15.3) During the last energy crisis, a government official claimed that the average car owner refilled the tank when there was more than 3 gallons left. To check the claim, 10 cars were surveyed as they entered a gas station. The amount of gas was measured and recorded as follows: 3, 2, 6, 4, 2, 5, 3, 1, 3, 3 If we assume that the amount of gas remaining in tanks is normally distributed with a standard deviation of one gallon, can we conclude at the 10% significance level that the official was correct? (Round your answer(s) to 2 decimal places.) Appropriate test: Test statistic = Conclusion: Interpretation: