Fishing During the Peak Fishing Months,a Marina at a Large Man-Made

Short Answer

Fishing
During the peak fishing months,a marina at a large man-made reservoir noted that boats were arriving at the average of 3.2 boats every twenty minutes to use the boat ramp.Let x be the number of boats arriving during the next twenty minutes.
-What is the probability that during the next twenty minutes the number of boats arriving to load or unload is at least one?