Xiao Ming flips the coin 5 times, 1 time heads up, 4 times tails up. What is the probability of tails on the 6th coin toss
小明抛5次硬币，1次正面向上，4次反面向上．第6次抛硬币，反面向上的可能性是多少
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

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