29. The probability distribution of the weekly demand for copier paper (in hundreds of reams) used in the dupli- cating center of a corporation is provided in the file PO4 27.xlsx. Assuming that it costs the duplicating center $5 to purchase a ream of paper, find the mean and standard deviation of the weekly copier paper cost for this corporation. 29. The probability distribution of the weekly demand for copier paper (in hundreds of reams) used in the dupli- cating center of a corporation is provided in the file PO4 27.xlsx. Assuming that it costs the duplicating center $5 to purchase a ream of paper, find the mean and standard deviation of the weekly copier paper cost for this corporation