2. A delivery company divides their packages into weight classes. Sup pound class are uniformly distributed. a. Sketch the distribution. Label the graph correctly. b. Find the probability that the package weighs between 15 and 16.5 pounds. c. Find the probability that the package weighs at most 15 pounds. d. Find the probability that the package weighs at least 18 pounds. e. Find the 40th percentile of weights of packages in this weight class. f. Find the mean and standard deviation.