Coffee: The National Coffee Association reported that 61 % of U.S. adults drink coffee daily. A random sample of 275 U.S. adults is selected. (a) Find the mean H^. (b) Find the standard deviation o^....

Extracted text: Coffee: The National Coffee Association reported that 61 % of U.S. adults drink coffee daily. A random sample of 275 U.S. adults is selected. (a) Find the mean H^. (b) Find the standard deviation o^. (c) Find the probability that more than 62 % of the sampled adults drink coffee daily. (d) Find the probability that the proportion of the sampled adults who drink coffee daily is between 0.57 and 0.63. (e) Find the probability that less than 67 % of sampled adults drink coffee daily. (f) Would it be unusual if less than 58 % of the sampled adults drink coffee daily?