"the rate of return on cherry jalopies, inc., stock over the last five years was 22 percent, 11 percent, -4 percent, 6 percent, and 9 percent. over the same period, the return on straw construction company's stock was 16 percent, 23 percent, -1 percent, 1 percent, and 17 percent. calculate the variances and the standard deviations for cherry and straw."

Barbara flynn is in charge of maintaining hospital supplies at general hospital. during the past year, the mean lead time demand for bandage bx-5 was 65 (and was normally distributed). furthermore, the standard deviation for bx-5 was 6. ms. flynn would like to maintain a 90% service level. refer to the standard normal table for z-values. a) what safety stock level do you recommend for bx-5? safety stock=)what is the appropriate reorder point? reorder point=