各位前辈，我现在刚开始接触R软件完全不知道该如何运用，现有一道题目。不知道各位大虾可否帮忙。A manufacturer knows that 0.2%of items he produces are defective.He ships items to resellers in boxes of either 50(small box)or 200 items(large box)each. What is the probablility that a small box will contain 3 defective items?(Use R to get 0.0001427189)