In basketball, the top free throw shooters usually have a probability of about 0.85 of making any given free throw. Over the course of a season, one such player shoots 340 free throws. a. Find the mean and standard deviation of the probability distribution of the number of free throws he makes. b. By the normal distribution approximation, within what range would the number of free throws made almost certainly fall? Why? C. Within what range would the proportion made be expected to fall