Probability Rules Cheat Sheet

0 1 definitions and basic rules let ω be the space of all outcomes and a b ω i e.
Probability rules cheat sheet. Axiom 1 every probability is between 0 and 1 included i e. Here s an example probability tells us that when you flip a coin you have a 50 chance of hitting. Rumsey successfully working your way through probability problems means understanding some basic rules of probability along with discrete and continuous probability distributions. 0 probability cheat sheet here i will summarise the results from probability required for this course.
P probability that the event occurs on a given trial 𝑋 of trials until the event occurs the 1st time ti 84 2nd distr e geometpdf p x 2nd distr f geometcdf p x example suppose that a car with a bad starter can be started 90 of the time by turning on the ignition. 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. 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. Boxed 0 leqslant p e leqslant 1 axiom 2 the probability that at least one of the elementary events in the entire sample space will occur is 1 i e.
Probability for dummies cheat sheet by deborah j. Cumulative distribution function cdf gives the probability that a random variable is less than or equal to x. Cheat sheet study guide exam 2 probability. Cheat sheet probability for dummies from probability for dummies by deborah rumsey successfully working your way through probability problems means understanding some basic rules of probability along with discrete and continuous probability distributions.
Probability cheat sheet probabilities. This is an 10 page probability cheatsheet compiled from harvard s introduction to probability course taught by joe blitzstein. The probability formula sheet summarizes important probability probability concepts formulas and distributions with figures examples and stories. What is the probability that it will take.
Probability notes for reference and explanation of the probability rules.