A random sample of 52 appointments from a local day spa finds that the proportion that are for a massage is 0.3. Find the 74% confidence interval for the proportion of all the spas appointments that are for massages (_,_) Suppose the confidence interval was increased to 77% if all else stays the same, how will the confidence interval affect the width of the interval The new confidence interval would be narrower The width of the new confidence interval will be the same The width of the new confidence interval will be the same unless the sample size changes The new confidence interval will be wider