For numbers 25-30, refer to the following problem. The mean gasoline consumption of 10 cars is 28 liters with a standard deviation of 1.6 liters. Find the point and the interval estimate using 95% confidence interval. 25. What is the point estimate of µ? A. 1.6 В. 10 C. 28 D. 95% 26. What is a? A. 0.1 В. 0.5 C. 95% D. 99% 27. What is the appropriate distribution? A. Z В.t С.р D. s 28. What are the confidence coefficients? A. ±1.645 B. ±1.96 C. +2.262 D. +2.33 29. What is the approximate upper limit? A. 29 В. 27.14 C. 29.19 D. 29.32 30. What is the approximate lower limit? A. 27 B. 26.86 C. 26.81 D. 26.68