A nutritionist wants to determine how much time nationally
people spend eating and drinking. Suppose for...
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A nutritionist wants to determine how much time nationallypeople spend eating and drinking. Suppose for a random sample of1064 people age 15 or​ older, the mean amount of time spent eatingor drinking per day is 1.28 hours with a standard deviation of 0.75hour.
Determine and interpret a 99​% confidence interval for the meanamount of time Americans age 15 or older spend eating and drinkingeach day.
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Solution Given that 128 075n 1064At 99 confidence
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