| 131020 | Independent and Mutually Exclusive Events · Try It 5 | Easy | |
| 131021 | Independent and Mutually Exclusive Events · Try It 6 | Easy | |
| 131022 | Independent and Mutually Exclusive Events · Example 6 | Easy | |
| 131024 | Independent and Mutually Exclusive Events · Try It 8 | Easy | |
| 131025 | Independent and Mutually Exclusive Events · Try It 9 | Easy | |
| 131026 | Independent and Mutually Exclusive Events · Example 7 | Easy | |
| 131027 | Independent and Mutually Exclusive Events · Try It 10 | Easy | |
| 131045 | Independent and Mutually Exclusive Events · Exercise 18 | Medium | |
| 131047 | Independent and Mutually Exclusive Events · Exercise 20 | Medium | |
| 131100 | Contingency Tables · Example 1 | Easy | |
| 131101 | Contingency Tables · Try It 1 | Easy | |
| 131102 | Contingency Tables · Example 3 | Easy | |
| 131103 | Contingency Tables · Example 4 | Easy | |
| 131104 | Contingency Tables · Example 5 | Easy | |
| 131105 | Contingency Tables · Try It 2 | Easy | |
| 131106 | Contingency Tables · Example 8 | Easy | |
| 131107 | Contingency Tables · Example 9 | Easy | |
| 131108 | Contingency Tables · Try It 3 | Easy | |
| 131110 | Contingency Tables · Exercise 2 | Medium | |
| 131112 | Contingency Tables · Exercise 4 | Medium | |
| 131116 | Contingency Tables · Exercise 8 | Medium | |
| 131118 | Contingency Tables · Exercise 10 | Medium | |
| 131131 | Contingency Tables · Exercise 23 | Medium | |
| 128774 | Independent and Mutually Exclusive Events · Example 1 | Easy | |
| 128782 | Independent and Mutually Exclusive Events · Example 5 | Easy | |
| 128792 | Independent and Mutually Exclusive Events · Exercise 2 | Medium | |
| 128794 | Independent and Mutually Exclusive Events · Exercise 4 | Medium | |
| 128861 | Contingency Tables · Example 7 | Easy | |
| 128868 | Contingency Tables · Exercise 6 | Medium | |
| 128874 | Contingency Tables · Exercise 12 | Medium | |
| 128876 | Contingency Tables · Exercise 14 | Medium | |
| 128878 | Contingency Tables · Exercise 16 | Medium | |
| 128880 | Contingency Tables · Exercise 18 | Medium | |
| 128884 | Contingency Tables · Exercise 22 | Medium | |
| 130326 | Independent and Mutually Exclusive Events · Exercise 2 | Medium | |
| 130330 | Independent and Mutually Exclusive Events · Exercise 6 | Medium | |
| 130332 | Independent and Mutually Exclusive Events · Exercise 8 | Medium | |
| 130334 | Independent and Mutually Exclusive Events · Exercise 10 | Medium | |
| 130336 | Independent and Mutually Exclusive Events · Exercise 12 | Medium | |
| 130338 | Independent and Mutually Exclusive Events · Exercise 14 | Medium | |
| 130340 | Independent and Mutually Exclusive Events · Exercise 16 | Medium | |
| 130366 | Contingency Tables and Probability Trees · Example 7 | Easy | |
| 130367 | Contingency Tables and Probability Trees · Example 8 | Easy | |
| 130374 | Contingency Tables and Probability Trees · Example 15 | Easy | |
| 130378 | Contingency Tables and Probability Trees · Example 13 | Easy | |
| 131023 | Independent and Mutually Exclusive Events · Try It 7 | Easy | |
| 131029 | Independent and Mutually Exclusive Events · Exercise 2 | Medium | |
| 131031 | Independent and Mutually Exclusive Events · Exercise 4 | Medium | |
| 131033 | Independent and Mutually Exclusive Events · Exercise 6 | Medium | |
| 131035 | Independent and Mutually Exclusive Events · Exercise 8 | Medium | |