Book: A first course in probability by Sheldon Ross

Chapter 2: 42, 45, 56 (from problems)
18 (from theoretical exercises),
Chapter 3: 22, 33, 40, 41, 60, 75, 81 (from problems)
10 (from theoretical exercises)
5, 15, 16 (from self-test problems)
Chapter 4: 20, 24, 44 (from problems)