4. Given an approximately normal distribution with a mean of 175
and a standard deviation of 37, a) Draw a normal curve and label 1,
2, and 3 standard deviations on both sides on the mean. b) What
percent of values are within the interval (138, 212)? c) What
percent of values are within the interval (101, 249)? d) What
percent of values are within the interval (64, 286)? e) What
percent of values outside the interval (138, 212)? f)...