Fangfang is doing a coin tossing game. She tossed a coin 10 times, 8 of which were heads and 2 times were tails. What is the probability that she will land heads when she tosses the 11th time?
芳芳做抛硬币游戏，抛了10次，其中8次正面向上，2次背面向上，那么她抛第11次时正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>