The heights of men in a particular country are normally distributed with a mean of 68 inches and a standard deviation of 3 inches. this means that the fraction of men with a height between a and b (with aless thanb) inches is given by the integral below. what percentage of american men are between 61 and 75 inches tall? use the method of your choice and, starting with one subinterval, increase the number of subintervals by 1 until you obtain successive approximations that differ by less than 10 superscript negative 3. use the last approximation as the answer.