Question
You may need to use the appropriate appendix table or technology to answer this question.A survey conducted by the American Automobile Association showed that a
You may need to use the appropriate appendix table or technology to answer this question.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 $254.45 per day and a sample standard deviation of $76.50.(a)Develop a 95% confidence interval estimate of the mean amount spent per day in dollars by a family of four visiting Niagara Falls. (Round your answers to the nearest cent.)
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