The school radio station needs to select a male host and a female host from among 3 boys and 4 girls. Wang Hong is one of the girls. What is the probability of being selected?
学校广播站要在3名男生和4名女生中，挑选男、女主持人各一名，王红是女生中的一名，被选中的可能性是多少
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>