A nutritionist wants to determine how much time nationally people spend eating a

Question

A nutritionist wants to determine how much time nationally people spend eating and drinking. Suppose for a random sample of 1032 people age 15 or older, the mean amount of time spent eating or drinking per day is 1.14 hours with a standard deviation of 0.66 hour.

(c) Determine and interpret a 99% confidence interval for the mean amount of time Americans age 15 or older spend eating and drinking each day.

Select the correct choice below and fill in the answer boxes, if applicable, in your choice.

(Type integers or decimals rounded to three decimal places as needed. Use ascending order.)

A. The nutritionist is 99% confident that the amount of time spent eating or drinking per day for any individual is between

____ and ____ hours.

B. There is a 99% probability that the mean amount of time spent eating or drinking per day is between ___ and ___ hours.

C. The nutritionist is 99% confident that the mean amount of time spent eating or drinking per day is between ___ and ___ hours.

D. The requirements for constructing a confidence interval are not satisfied.

Explanation / Answer

c) The statistical software output for this problem is:

One sample T confidence interval:
: Mean of population

99% confidence interval results:

Hence,

The nutritionist is 99% confident that the mean amount of time spent eating or drinking per day is between 1.087 and 1.193 hours.

Choose option C and then put these values.

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