F1+1+aD1+(10)F1 increase value of aqha Hay with the same aiphia decroate value of alphis Gecreale the empecied forecast soe the cument month (fi) The average sme 10 serve a custiomer at a fast-food restaurant is 5 minutes. The standard devaton of the service time is 4 minutes What is the confficient of variation of the service time? 5 4 126 0.8 For truly high volatility (high variability-high uncertainty items) with intermittent. fandom demand, pick the general best policy Not carry those items at all Try to reduce supply lead time/and lead time uncertainty Develop qualitative forecasts and hope for the best Keep high stock of inventory ess 70% a.s