During the Last Energy Crisis,a Government Official Claimed That the Average

Short Answer

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: 3,5,3,2,3,3,2,6,4,and 1.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?
Appropriate test: ____________________
Test statistic = ____________________
Conclusion: _________________________
Interpretation: _____________________________________________