Heights for group of people are normally distributed with mean = 69 inches and standard deviation = 3.2 inches. Find the proportion, P, of people in the group whose heights fall into the following ranges. (Round your answers to four decimal places.) (a) Between 66 inches and 69 inches. P = (b) Between 61 inches and 77 inches. P = (c) Less than 77 inches. P = (d) Greater than 61 inches. P = (e) Either less than 61 inches or greater than 77 inches. P =

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