A survey conducted by the American Automobile Association showed that a family of fourspends an average of $215.60 per day while on vacation. Suppose a sample of 64 familiesof four vacationing at Niagara Falls resulted in a sample mean of $252.45 per day and asample standard deviation of $74.50.a. Develop a 95% confidence interval estimate of the mean amount spent per day by afamily of four visiting Niagara Falls.

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A survey conducted by the American Automobile Association showed that a family of four
spends an average of $215.60 per day while on vacation. Suppose a sample of 64 families
of four vacationing at Niagara Falls resulted in a sample mean of $252.45 per day and a
sample standard deviation of $74.50.
a. Develop a 95% confidence interval estimate of the mean amount spent per day by a
family of four visiting Niagara Falls.

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