Share this postDerangements and the number eapieceofthepi.substack.comCopy linkFacebookEmailNoteOtherDerangements and the number eRichard GreenNov 16, 2023∙ Paid10Share this postDerangements and the number eapieceofthepi.substack.comCopy linkFacebookEmailNoteOther1ShareIf a teacher randomly hands back 20 homework assignments to the 20 students who wrote them, what is the probability that none of the students receives their own homework back? The answer turns out to…This post is for paid subscribersSubscribeAlready a paid subscriber? Sign inPreviousNext