The factory inspected a batch of parts and found that the number of qualified parts accounted for 95% of the total number of tested parts, and the number of unqualified parts accounted for the total number of tested parts.
工厂检验一批零件，发现合格零件的数量占了检测零件总数的95%，不合格零件的数量占了检测零件总数的多少．
<gadget id="calculator">95 / 100</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">1 - (19/20)</gadget>
<output>1/20 = around 0.05</output>

<result>1/20 = around 0.05</result>