Ages of Proofreaders At a large publishing company, the mean age of proofreaders is 36.2 years and the standard deviation 3.7 years. Assume the variable is normally distributed. Round intermediate z-value calculations to two decimal places and the final answers to at least four decimal places. Part 1 of 2 If a proofreader from the company is randomly selected, find the probability at his or her age will be between 33.5 and 35 years. P ( 33.5