There are a total of 300 products in a batch, and there are 9 waste products. One of them is randomly selected. The possibility of being a waste product is ((())/(())).
一批产品共300个，有9个废品，从中任取一个，是废品的可能性是((())/(()))．
<gadget id="calculator">9 / 300</gadget>
<output>3/100 = around 0.03</output>

<result>3/100 = around 0.03</result>