Permutations, Combinations and Probability

[cylverixxx]

Probability fundamental quiz #Question 2

It’s not. It should be accessible for you if you’ve done a bit of intro probability/stats. To start off, you can imagine modelling this as a multivariate result. This would mean considering two experiments in parallel where the corresponding random variables are (W,X) where W = (W_1) is the single toss of coin W and (X_1, X_2) are the two tosses of coin X. For brevity, we’ll assume that heads = 1 and tails = 0. Given this, you have (W_1, X_1, X_2) maps into \{0,1\}^3 with uniform distribution …

Btw i wrote a more comprehensive answer there for the same question, but it’s a bit more math-intensive. You can read it if you like