Question

Chipotle Mexican Grill must post its calorie information for all of its menu selections. It takes a sample of 100 chicken burritos and determines that the average calorie count for a chicken burrito is 1040 calories with standard deviation of 140 calories.

6) What is the value of t to achieve 95% confidence in the number of calories in a chicken burrito?

7) What is the 95% confidence interval?

8) If the menu currently shows 980 calories for a chicken burrito, do you believe that it is ok to leave the current 980 calories posted on the menu or should you recommend an update?

Answer 1