Probability Cheat Sheet

The cheatsheet is based off of harvard s introductory probability course stat 110.

Probability cheat sheet. Use some helpful study tips so you re well prepared to take a probability exam. Cumulative distribution function cdf gives the probability that a random variable is less than or equal to x. The probability formula sheet summarizes important probability probability concepts formulas and distributions with figures examples and stories. Successfully working your way through probability problems means understanding some basic rules of probability along with discrete and continuous probability distributions.

F x x p x x 0 1 2 3 4 0 0 0 2 0 4 0 6 0 8 1 0 x cdf. If this course is. Here s an example probability tells us that when you flip a coin you have a 50 chance of hitting. It covers a semester s worth of probability including summaries of main topics common distributions problems tips formulas equations and a distribution reference sheet.

The following is a 8 page cheat sheet on probability based off my notes as a teaching fellow for joe blitzstein s stat 110 class. Probability for dummies cheat sheet. 0 probability cheat sheet here i will summarise the results from probability required for this course. Probability cheat sheet probabilities.

Gamma distribution notation gamma k. Chance how likely something an event is to happen big takeaway probabilities can give you an indication of what is likely to happen but they cannot tell you what will happen. If you struggle with these results you should see me so we can discuss how you may familiarise yourself with this material. This cheatsheet is a 10 page reference in probability that covers a semester s worth of introductory probability.

All intervals of the same length on the distribution s support are equally probable. Probability cheat sheet distributions unifrom distribution notation u a b cdf x a b a for x2 a b pdf 1 b a for x2 a b expectation 1 2 a b variance 1 12 b a 2 mgf etb eta t b a story. It is co authored by former stat 110 teaching fellow william chen and stat 110 professor joe blitzstein. This is an 10 page probability cheatsheet compiled from harvard s introduction to probability course taught by joe blitzstein.