A car company says that the mean gas mileage for its luxury sedan is at least 25 miles per gallon (mpg). You believe the claim is incorrect and find that a random sample of 7 cars has a mean gas mileage of 24 mpg and a standard deviation of 2 mpg. At a +0.05, test the company's claim Assume the population is normally distributed Click here to view the distribution table. Click here to view Rage 1 of the normal table. Click here to view page 2 of the normal table. Which sampling distribution should be used and why? OA. Use a t-sampling distribution because the population is normal, and a is known OC. Use a t-sampling distribution because the population is normal, and is unknown O E Use a t-sampling distribution because n 30