If a coin is tossed 5 times and 4 heads come up and 1 head goes down, what is the probability of getting heads on the 5th toss?
投掷一枚硬币5次，有4次正面朝上，1次正面朝下，那么第5次投掷正面朝上的可能性是多少
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

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