(20 points) Gainesville Cigar stocks Cuban cigars that have variable lead times because of the difficulty in importing the product: lead time is normally distributed with an average of 6 weeks and a standard deviation of 2 weeks. Demand is also a variable and normally distributed with a mean of 200 cigars per week and a standard deviation of 25 cigars. a) For a 90% of service level, what is the ROP? Z 0.38 Priz) 0.50 65 69 75 0.67 80 0.84 1.04 1.28 1.41 85 90 92 94 1.56 1.65 1.75 95 96 97 1.88 206 2.33 98 99 b) What is the ROP for a 95% service level