Congratulations to the following students for finding a set of cards, that would beat in the long run, Justin's cards more than 50% of the time.
The students are Luke H. in the 2nd grade, Eugenia T. in the 3rd grade, and Harry L.R., Harry M., and Zach K. in the 7th grade.
Harry L.R. devised the strongest set of cards with respect to Justin's deck. His 7/5, 8/4, 9/3, 10/2, 6/1 beat Justin's deck 56% of the time.