April 15 of the Mystery Year was when the passenger liner Titanic sank. In this puzzle, students use a 2-way (contingency) table to analyze conditional probabilities to determine if there is a relationship between a passenger's survival status and the passenger's ticket designation. Students solve the clues to determine the Mystery Year.Your Zip download includes printable/digital PDFs:1-page printable Student Puzzle, also prepped for Easel1-page Answer Key with sample solutions1-page version of