Problem of the Week #15

Posted: March 12, 2014

Given the digits 3, 4, 5, 6, 7, many 2-digit numbers can be made by using one digit for the tens digit, and a different digit for the ones digit. Laura makes such a number by randomly choosing one digit for the tens digit and a different digit for the ones digit. What is the theoretical probability that her number will be odd?All solutions must be submitted by noon time on Thursday, March 20. Please remember: First and Last NameClassProblem of the Week #Answer done on a sheet of looseleaf (folded in fourths in order to fit into the ballot box outside of the Math Center on the Orange Team floor.)Show how you found your answer (answer only will not be eligible for draw)Put your answer in a summative phrase (sentence form) with a circle around it (makes it clearer for the judges)Make sure your work is neat (the winner's solution will be posted on the website)