Question

The number of grams of carbohydrates in a 12-ounce serving of a regular soft drink is...

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

  1. What is the point estimation for 90% confidence interval?
  2. What is the margin error for 90% confidence interval?
  3. Estimate the mean number of carbohydrates in all brands of soda with 90% confidence. Interpret the confidence interval

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