In an effort to estimate the mean spent per customer for dinner at major Atlanta restaurant ,
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Question:
In an effort to estimate the mean spent per customer for dinner at major Atlanta restaurant , data were collected for a sample of 49 customer . assume that we have information that the standard deviation of spending per customer for this restaurant has been$5 over the last few years.if the average amount spent by those 49 customer was $24.80 , what is the confidence interval for the mean amount spent per customer
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