Gainesville Cigar stocks Cuban cigars that have variable lead times because of the difficulty in imp

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 7 weeks and a standard deviation of 1 week. Demand is also a variable and normally distributed with a mean of 250 cigars per week and a standard deviation of 25 cigars. refer to the standard normal table for z-values
This exercise contains only parts a and b.
a) For a 97% service level, what is the ROP?
The reorder point is __ cigars (round your response to the nearest whole number)