Gainsville Cigar stocks Cuban cigars that have variable times because of the difficulty in importing the product: Lead time is normally distributed with an average of 5 weeks and a standard deviation of 1 week. Demand is also variable and normally distributed with a mean of 250 cigars a week and a standard deviation of 26 cigars. Refer to the standard normal table for z-values. a.) For a 95% service level, what is the ROP? b.) For a 96% service level, what is the ROP?