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

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