Hub-Ciy Box uses a weighted moving average method to forecast corrugatod box soles: It assigns a weight of 07 to the previous month's demand, 0.2 io demand bwo monath ago, and 0.1 to demand three months ago. If sales amounted to 4000 unts in May, 5400 units in June, and 3500 units in July, what should bo the forecast for August? 3930 4120 4170 4230 4310 QUEST10N 2.5 MMa has a queuing problem atiere customens who leve up to pay their beloctions form the wating ine. The Mu? vysiem consists of an antival rate of 6 per hour acconding to a Poiston ditribsion, and service times are on average equal to 8 minules por cutsomes. Whyt is the average wating tiene in the queve in mintes? a. 40 b. 1.5 6.9.5 a. 32