If a coin is tossed 4 times, 3 heads and 1 tails, what is the probability that the coin will land heads on the 5th toss?
投掷4次硬币，有3次正面朝上，1次反面朝上，那么，投掷第5次硬币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>