The National Coffee Association reported that64

%

of U.S. adults drink coffee daily. A random sample of225

U.S. adults is selected.

(a) Find the mean

p

.(b) Find the standard deviation

p

.(c) Find the probability that more than69

%

of the sampled adults drink coffee daily.(d) Find the probability that the proportion of the sampled adults who drink coffee daily is between0.6

and0.72

.(e) Find the probability that less than59

%

of sampled adults drink coffee daily.(f) Would it be unusual if less than60

%

of the sampled adults drink coffee daily?