7. Meal plan. After surveying students at

Chapter 23, Problem 7

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QUESTION:

7. Meal plan. After surveying students at DartmouthCollege, a campus organization calculated that a 95%confidence interval for the mean cost of food for one term(of three in the Dartmouth trimester calendar) is ($1102,$1290). Now the organization is trying to write its reportand is considering the following interpretations. Commenton each.a) 95% of all students pay between $1102 and $1290 forfood.b) 95% of the sampled students paid between $1102 and$1290.c) Were 95% sure that students in this sample averagedbetween $1102 and $1290 for food.d) 95% of all samples of students will have average foodcosts between $1102 and $1290.e) Were 95% sure that the average amount all studentspay is between $1102 and $1290.

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QUESTION:

7. Meal plan. After surveying students at DartmouthCollege, a campus organization calculated that a 95%confidence interval for the mean cost of food for one term(of three in the Dartmouth trimester calendar) is ($1102,$1290). Now the organization is trying to write its reportand is considering the following interpretations. Commenton each.a) 95% of all students pay between $1102 and $1290 forfood.b) 95% of the sampled students paid between $1102 and$1290.c) Were 95% sure that students in this sample averagedbetween $1102 and $1290 for food.d) 95% of all samples of students will have average foodcosts between $1102 and $1290.e) Were 95% sure that the average amount all studentspay is between $1102 and $1290.

ANSWER:

Step 1 of 4

Given:

A 95% confidence interval for the mean cost of food for one term (of three in the Dartmouth trimester calendar) is ($1102, $1290).

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