For males in a certain town, the systolic blood pressure is normally distributed with a mean of 130 and a standard deviation of 9. Using the empirical rule, determine the interval of systolic blood pressures that represent the middle 68% of males.

Of the 27 players trying out for the school basketball team, 8 are more than 6 feet tall and 7 have good aim. what is the probability that the coach would randomly pick a player over 6 feet tall or a player with a good aim? assume that no players over 6 feet tall have good aim. a. b. c. d.