what is the standardized test statistic, the critical values, and would I reject or fail to reject the null hypothesis? a) reject H0 there is not enough evidence to reject the claim, b) reject h0 there is enough evidence o reject the claim, c) fail to reject H0 there is enough evidence to reject the clam , d) fail to reject H0 there is not enough evidence to reject the claim

Question 14, HW Score: 89.82%, Homework 7 7.3.31 17.96 of 20 points Part 3 of 5 Points: 0.71 of 1 Save A car company says that the mean gas mileage for its luxury sedan is at least 21 K miles per gallon (mpg). You believe the claim is incorrect and find that a random sample of 8 cars has a mean gas mileage of 18 mpg and a standard deviation of 5 mpg. At a = 0.025, test the company's claim. Assume the population is normally distributed. Click here to view the t-distribution table. Click here to view page 1 of the normal table. Click here to view page 2 of the normal table. distribution because the because the population is population is normal, and o is normal, and o is unknown. known. O C. Use a normal sampling D. Use a t-sampling distribution distribution because n > 30 because n 21 Ha: H