Suppose the probability that a duck hunter will successfully hit a duck is 0.35 on a given shot. suppose also that the outcome of each shot is independent from the others. what is the probability that the first successful hit will be on the fourth shot?

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min