Where does all that Halloween candy go? The October 2004 issue of Readers Digest quoted that 90%

Question:

Where does all that Halloween candy go? The October 2004 issue of Readers’ Digest quoted that “90% of parents admit taking Halloween candy from their children’s trick-or-treat bags.” The source of information was the National Confectioners Association. Suppose that 25 parents are interviewed. What is the probability that 20 or more took Halloween candy from their children’s trick-or-treat bags?