There are 10 balls of the same size in a pocket, 5 red balls, 3 yellow balls, and 2 green balls. If a ball is randomly drawn from the pocket, what is the probability of getting a red ball?
口袋里大小相同的10个球，其中5个红球，3个黄球，2个绿球，从口袋里任意摸出一个球，摸到红球的可能性是多少
<gadget id="calculator">5 / 10</gadget>
<output>1/2 = around 0.5</output>

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