Xiao Ming and his mother go shopping in the mall, and they can draw a lottery once when they spend 100 yuan. There are 6 balls in the box, 1 yellow ball and 5 white balls. The yellow ball is the winner. Xiao Ming randomly draws a ball, what is the probability of winning
小明和妈妈到商场购物，满100元可以抽奖一次，在箱子中装有6个球，1个黄球和5个白球，摸出黄球为中奖．小明任意摸出一个球，中奖的可能性是多少
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<result>1/6 = around 0.166667</result>