Question:Scenario 12.2 - Hamsterdam Marlo Stanfield's operation also uses large quantities of prepaid cell phones, on average 1500 per week with a...

Question:Scenario 12.2 - Hamsterdam

Marlo Stanfield's operation also uses large quantities of prepaid cell phones, on average 1500 per week with a standard deviation of 145. The lead time for their own brand of prepaid cell phones is three weeks and they have a lot size of 350 phones. To ensure they never run out, they keep a safety stock of 500 phones with Proposition Joe.

What safety stock should be held to put the fill rate at 0.99?

0 phones

100 phones

251 phones

145 phones