John C. answered 12/07/20
The Problem Solver
- Unvaccinated cats / unvaccinated animals = 24 / 54 = 4/9
- There is only one even number less than 4. The probability of hitting it in one spin is 1/5. The probability of hitting it in two spins is 2/5 minus the probability of hitting it twice, which is 1/25.