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In an effort to estimate the mean amount spent per customer for dinner at an Atlanta restaurant, data were collected for a sample of 50 customers. The data collected resulted in a sample mean of $25. Based upon past studies the population standard deviation is assumed known = $6.

Round your answers to two decimal places.

a. At 95% confidence, what is the margin of error?

b. Develop a 95% confidence interval estimate of the mean amount spent for dinner.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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