Probability Foundations — Practice Set 2
10 questions emphasizing conditional probability, counting, random walks, and distributional reasoning.
Instructions
- Every attempt uses all 10 questions.
- Assessment mode allows 25 minutes and withholds hints until submission.
- Practice mode is untimed and permits hints.
- A calculator, pen, and scratch paper may be used.
- Questions may be flagged and revisited before submission.
Keyboard: 1–4 selects an answer; left/right arrows move between questions; F flags; H shows a hint in practice mode.