Xiao Wang tossed the coin 4 times, one time it was heads, and 3 times it was heads down, so what is the probability of tossing the coin 5 times?
小王掷了4次硬币，有一次正面朝上，3次正面朝下，那么掷5次硬币正面朝上得可能性是多少
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

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