Data from the past shows that on average, a ready-mixed concreteplant receives 100 orders for concrete every year. The maximumnumber of orders that the plant can fullfil each week is 2. (a)What is the probability that in a given week the plant cannotfulfil all the placed orders? (b) Assume the answer to part (a) is20% (It is not; I just want to make sure that everybody uses thesame number for part (b)). Suppose there are 5 of such plants. Whatis the probability that in a given week 2 of the plants cannotfulfill their orders?
