Randomly check the quality of a certain brand of TV sets, spot check 50 sets, and 46 sets are qualified. What is the unqualified rate of this brand of TV sets?
抽查某品牌电视机的质量情况，抽查50台，合格的有46台，这种品牌电视机的抽查不合格率是多少？
<gadget id="calculator">50 - 46</gadget>
<output>4</output>

<gadget id="calculator">4 / 50</gadget>
<output>2/25 = around 0.08</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(2/25) * 1</gadget>
<output>2/25 = around 0.08</output>

<result>2/25 = around 0.08</result>