Xiao Ming and other 46 students held a party, put the small note with their student number in the box, and took a note from it. Find the probability that the selected note is exactly Xiaoming's student number.
小明等46位同学举行联欢会，将写有各自学号的小纸条放进盒子内，从中抽取一张纸条．求抽取纸条恰为小明学号的可能性大小．
<gadget id="calculator">1 / 46</gadget>
<output>1/46 = around 0.021739</output>

<result>1/46 = around 0.021739</result>