Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.

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.

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 $77.50. a. Develop a 95% confidence interval estimate of the mean amount spent per day by a family of four visiting Niagara Falls (to 2 decimals).

Show more
LEARN MORE EFFECTIVELY AND GET BETTER GRADES!
Ask a Question