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1. Suppose a sample of 100 families of four vacationing at Niagara Falls resulted in sample...

1. Suppose a sample of 100 families of four vacationing at Niagara Falls resulted in sample mean of $282.45 spent per day and a sample standard deviation of $64.50. Develop a 95% confidence interval estimate of the true population mean amount spent per day by a family of four visiting Niagara Falls.

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