ANSWER THE FOLLOWING: 1. Involving one of your hobbies, give one example of each: A. Classical probability B. Empirical probability Answers here: 2. Why is applying permutation (ordered arrangement) better when creating a 4-digit passcode compared to applying combination (unordered arrangement)? (Tip: Solve all the permutation and combination answers for n=10 and r=4 then compare the results.) Answers here:4. In statistics, why is it advisable to use interval estimate instead of point estimate? Answers here:7. If we are allowed to exceed a computed sample size, then why bother computing it? Answer here