A survey conducted by the American Automobile Association showed that a family of four spends an average of $215.60 per day while on vacabon, Suppose a sample of 64 familes of Sar atationisg at Nlagera Falls resulted in a sample mean of $252.45 per day and a sample standard deviation of $78.50. (a) Develop a 95% confidence interval estimate of the mean amount spent per day in doliars br a family of four visting Nagara Falk. (Round vour answers to the nearest cant.) 5 to $ Automobile Associntion? Explain, suggests we cannot determine if the population mean at Niagara Fals is greater than the overall averase daily vacanon expenstive. population mean at Nugara Falls is less then the overal averase. population mean at Nisgora Falis is greater than the overall werege. cannot determine if the popsiation mean at Niegars Faplis is greater than the overall average daily varabon exgendice. suggests the population mean at Niagara Falis is less than the overail average