Question 627251
probability = {{{(matrix(2,1,5,1))(matrix(2,1,6,1))(matrix(2,1,11,0))/((matrix(2,1,5+6+11,2))) + (matrix(2,1,5,1))(matrix(2,1,6,0))(matrix(2,1,11,1))/((matrix(2,1,5+6+11,2))) + (matrix(2,1,5,0))(matrix(2,1,6,1))(matrix(2,1,11,1))/((matrix(2,1,5+6+11,2)))}}} = {{{highlight(151/231)}}}