Answer
Yes. No.
Work Step by Step
According to item (g), we are 95% confident that the proportion of adults who say they always wash their hands in public rest rooms is between 0.759 and 0.781. But, it is possible that the population proportion, p, is not in this interval.
Anyway, given the confidence interval above, we are not likely to obtain a sample in which the proportion is less than 0.85.
