# Probabilities & Statistics | Maths with Lemon Source: https://mathswithlemon.io/aa-probabilities-statistics-distributions.html ## Statistical Distributions "It is true that in quantum theory we cannot rely on strict causality. But by repeating the experiments many times, we can finally derive from the observations statistical distributions, and by repeating such series of experiments, we can arrive at objective statements concerning these distributions. " Werner Heisenberg #### Discrete random variable ##### What you have to know: - You must know how to calculate probabilities. (If not, check this lesson) ##### Key Points - 1. Watch the video: - 2. Expected values problems. Watch this video - 3. Fair games and expected value. Watch this video #### Binomial distribution ##### What you have to know: - You must know how to calculate probabilities. (If not, check this lesson) ##### Key Points - 1. Watch the video: #### Normal distribution ##### What you have to know: - You must know how to calculate probabilities. (If not, check this lesson) ##### Key Points - 1. Watch the video: - 2. Example with Normal and Binomial distribution. Watch this video - 3. Inverse Normal distribution exercise. Watch this video ### IB Past Paper Problems Select a topic and unit, then click the button below to get a new problem. Press the button to start! How was this problem?