Assume that the amount of liquid that a drink machine dispenses into a medium drink follows a Normal distribution, we take a sample of 12 drinks and get the following summary statistics: top enclose x space equals space 246.2 space m l and s space equals space 6.2 space m l Calculate a 95% CI for the mean amount of liquid dispensed into a medium drink. a. (242.99, 249.41) b. (242.69, 249.71) c. (242.30, 250.10) d. (242.26, 250.14)