$(9\mathrm{.}2)$ At a local county fair, the officials would like to give a prize to $100$ people selected at random from those attending the fair. As of the closing day, $12,500$ people have attended the fair and completed the entry form for the prize. What is the probability that an individual who attended the fair and completed the entry form will win a prize?

s $=$

n $=$

P$($A$)=$