Question 269541
number of ways to select 3 out of 8 ___ 8C3 = 56


number of ways to select 3 even balls ___ 4C3 = 4


number of ways to select at least one odd ball ___ 56 - 4 = 52


probability of at least one odd ball ___ 52 / 56 = 13 / 14 = .93 (approx)