The number of grams of carbohydrates in a 12-ounce serving of a regular soft drink is listed here for a random sample of sodas

48 37 52 40 43 46 41 38

41 45 43 33 35 52 45 41

30 34 46 40 40 42 39 32

a. What is the point estimation for 95% confidence interval?

b. What is the margin error for 95% confidence interval?

c. Estimate the mean number of carbohydrates in all brands of soda with 95% confidence. Interpret the confidence interval