A popular carnival same has players Choose a rubber duck from a small pool and look under the duck, If a special mark is on the duck, the player wins a prize, Suppose that a pool has 5000 ducks, 16% of which have the special mark. One generous father pays to have his children choose 200 rubber ducks. Let X= the number of ducks with the mark in the sample of 200, Find the probability that the children get no more than 30 ducks with the special mark