If a coin is tossed 6 times, what is the probability that it will come up heads the 4th time?
把一枚硬币抛6次，第4次正面朝上的可能是多少
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>