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Question: a nutritionist wants to determine how much time nationally people...

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A nutritionist wants to determine how much time nationally people spend eating and drinking. Suppose for a random sample of

986986

people age 15 or​ older, the mean amount of time spent eating or drinking per day is

1.781.78

hours with a standard deviation of

0.720.72

hour. Complete parts ​(a) through ​(d) below.

​(a) A histogram of time spent eating and drinking each day is skewed right. Use this result to explain why a large sample size is needed to construct a confidence interval for the mean time spent eating and drinking each day.

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