Congress regulates corporate fuel economy and sets an annual gas mileage for cars. a company with a large fleet of cars hopes to meet the 2011 goal of 30.2mpg or better for their fleet of cars. to see if the goal is being met, they check the gasoline usage for 50 company trips chosen at random, finding a mean of 32.12mpg and a standard deviation of 4.83mpg. in this strong evidence that they have attained their fuel economy goal? a. define the parameter and state the hypotheses. b. define the sampling distribution (mean and standard deviation). c. perform the test and calculate p-value d. state your conclusion. e. explain what the p-value means in this context.