https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-probability-statistics/cc-7th-compound-events/v/probability-from-compound-sample-space 2021-02-02T14:51:11Z Probability of a compound event Learn how to use sample space diagrams to find probabilities. video https://cdn.kastatic.org/googleusercontent/aMgLAjfc5lyfsEqtAvZSpwl6_PBLhQ7sApaufRTGoevrvhV7E63aAonSQv6WEq8QuyfsDQzDbws6Xc672NbshDjV Probability of a compound event Learn how to use sample space diagrams to find probabilities. https://cdn.kastatic.org/ka-youtube-converted/6zWPgvEMVlE.mp4/6zWPgvEMVlE.mp4 303 Probability of combined events https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-probability-statistics/cc-7th-compound-events/e/compound-events 2026-04-07T23:36:17.218592739Z Probabilities of compound events Practice using sample space diagrams to find probabilities of independent compound events. Justin Helps exercise https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:prob-comb/x9e81a4f98389efdf:compound-probability-of-ind-events-using-mult-rule/e/interpret-probabilities-compound-events 2024-10-28T20:22:05.023706061Z Interpret probabilities of compound events Practice interpreting what different probabilities represent in the general multiplication rule. exercise https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:prob-comb/x9e81a4f98389efdf:addition-rule-prob-precalc/v/probability-with-playing-cards-and-venn-diagrams 2023-04-15T06:53:33.172253602Z Probability with Venn diagrams Want to learn some probability? This video explains the probability of drawing a Jack or a Heart from a deck of 52 cards. It uses a Venn diagram to illustrate the concept of overlapping events and how to calculate the combined probability. Key definitions include "equally likely events" and "overlapping events". Sal Khan video https://cdn.kastatic.org/googleusercontent/Z0TuLq2KolavsrfDXSbLqi0S-wnlCrC13cKGG68wK9ljrTiXzRqvfq7IpWNzcwgzlpEOI8YmMafp4K4zO0sanvXu Probability with Venn diagrams Want to learn some probability? This video explains the probability of drawing a Jack or a Heart from a deck of 52 cards. It uses a Venn diagram to illustrate the concept of overlapping events and how to calculate the combined probability. Key definitions include "equally likely events" and "overlapping events". https://cdn.kastatic.org/ka-youtube-converted/obZzOq_wSCg.mp4/obZzOq_wSCg.mp4 602 Probability of combined events https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:prob-comb/x9e81a4f98389efdf:addition-rule-prob-precalc/e/two-way-tables-venn-diagrams-probability 2021-07-01T17:39:49Z Two-way tables, Venn diagrams, and probability Practice using the addition rule in two-way tables and Venn diagrams to calculate probabilities. Jeff Dodds exercise https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:prob-comb/x9e81a4f98389efdf:compound-probability-of-ind-events-using-mult-rule/v/compound-probability-of-independent-events 2023-04-15T06:53:33.172253602Z Compound probability of independent events Learn how to calculate probabilities of coin flips using two methods: listing all possible outcomes or multiplying independent events. Understand what independent events are and how to avoid the gambler's fallacy. Review fractions and how the sum of all probabilities equals one. Sal Khan video https://cdn.kastatic.org/googleusercontent/U9uGqrrUK5Me3KOS3D8ICYUOL4Ko9Z7M0Ai7bLg_CNZVz3Zg1mVQ3qJliUifwuLpv6C6oi_wGUnbfE1P7Vdwc6Rg Compound probability of independent events Learn how to calculate probabilities of coin flips using two methods: listing all possible outcomes or multiplying independent events. Understand what independent events are and how to avoid the gambler's fallacy. Review fractions and how the sum of all probabilities equals one. https://cdn.kastatic.org/ka-youtube-converted/xSc4oLA9e8o.mp4/xSc4oLA9e8o.mp4 360 Probability of combined events https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:prob-comb/x9e81a4f98389efdf:compound-probability-of-ind-events-using-mult-rule/v/independent-events-2 2021-07-01T17:39:51Z Independent events example: test taking Have you ever taken a test and discovered you have no choice but to guess on a couple of problems? In this example problem, we are considering the probability of two independent events occurring. Sal Khan video https://cdn.kastatic.org/googleusercontent/yenbmoo4Av9R4p2biWUvxRjFq_WvZCkw0h37aT3Bs80AKh76ZA8rqaNTK3319ySkiFT-1XROwmyjqrWcaTpKWOnE Independent events example: test taking Have you ever taken a test and discovered you have no choice but to guess on a couple of problems? In this example problem, we are considering the probability of two independent events occurring. https://cdn.kastatic.org/ka-youtube-converted/VWAfEbgf1Po.mp4/VWAfEbgf1Po.mp4 284 Probability of combined events https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:prob-comb/x9e81a4f98389efdf:compound-probability-of-ind-events-using-mult-rule/v/introduction-to-dependent-probability 2021-07-01T17:39:50Z Dependent probability introduction Let's get you started with a great explanation of dependent probability using a scenario involving a casino game. Sal Khan video https://cdn.kastatic.org/googleusercontent/XZe8ECJLHJW98AgXE5te2kLXlmb1nZx9lAGUT9wWpOEKBoogYPeLIqLDnwkrWnDZ-rydfl-Pf5PuZZgb4ectsZiF Dependent probability introduction Let's get you started with a great explanation of dependent probability using a scenario involving a casino game. https://cdn.kastatic.org/ka-youtube-converted/VjLEoo3hIoM.mp4/VjLEoo3hIoM.mp4 398 Probability of combined events https://www.khanacademy.org/math/cambridge-o-level-mathematics-4024/x3f4c73d082a798eb:probability/x3f4c73d082a798eb:probability-of-combined-events/v/general-multiplication-rule-example-dependent-events-pk 2025-11-29T07:01:24.846724792Z General multiplication rule example: dependent events General multiplication rule example: dependent events Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw General multiplication rule example: dependent events General multiplication rule example: dependent events https://cdn.kastatic.org/ka-youtube-converted/7Q2oQKXgkmc.mp4/7Q2oQKXgkmc.mp4 161 Probability of combined events https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:prob-comb/x9e81a4f98389efdf:compound-probability-of-ind-events-using-mult-rule/e/probability-general-multiplication 2024-10-28T20:22:05.023706061Z Probability with general multiplication rule Find the joint probabilities of independent and dependent events using the general multiplication rule. exercise https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:prob-comb/x9e81a4f98389efdf:compound-probability-of-ind-events-using-mult-rule/v/interpreting-general-multiplication-rule 2022-10-07T00:22:18.752150461Z Interpreting general multiplication rule We can express the probability that two events both occur symbolically using the general multiplication rule, and we can interpret probability statements that are expressed symbolically. Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/12debcfa-c173-42b7-bffd-810bcfde0794_1280_720_base.png Interpreting general multiplication rule We can express the probability that two events both occur symbolically using the general multiplication rule, and we can interpret probability statements that are expressed symbolically. https://cdn.kastatic.org/ka-youtube-converted/yTJawPRzCzI.mp4/yTJawPRzCzI.mp4 291 Probability of combined events https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-probability-statistics/cc-7th-compound-events/v/tree-diagram-to-count-outcomes 2021-04-13T21:46:09Z Count outcomes using tree diagram Tree diagrams display all the possible outcomes of an event. Each branch in a tree diagram represents a possible outcome. Tree diagrams can be used to find the number of possible outcomes and calculate the probability of possible outcomes. Sal Khan video https://cdn.kastatic.org/googleusercontent/OkC8Hp3-hOywvFlE6fRGr3GA2dMtlsOLlm1wYQrnsC5uSwh-gXJ0WAppWt7rtdX7W7vr0eXLg0PnsFNp4hF4QJE8 Count outcomes using tree diagram Tree diagrams display all the possible outcomes of an event. Each branch in a tree diagram represents a possible outcome. Tree diagrams can be used to find the number of possible outcomes and calculate the probability of possible outcomes. https://cdn.kastatic.org/ka-youtube-converted/Zxvc6iPKdec.mp4/Zxvc6iPKdec.mp4 271 Probability of combined events https://www.khanacademy.org/math/ap-statistics/probability-ap/stats-conditional-probability/a/tree-diagrams-conditional-probability 2021-07-01T17:39:45Z Tree diagrams and conditional probability article