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PLEASESOLVE USINEXCEL FUNCTIONS It is estimated that the average annual expenditure on restaurants and takeout food...

PLEASESOLVE USINEXCEL FUNCTIONS

It is estimated that the average annual expenditure on restaurants and takeout food is $2,573 per househld in the US. Suppose this estimate is based on a sample of 80 household and that the population standard deviation is $650.

a)What is the 95% confidence interval for the population mean amount spent on restaurants and carryout food?

b)What is the 99% confidence interval for the population mean amount spent on restaurants and carryout food?

Math   Statistics-And-Probability   
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