https://www.khanacademy.org/math/class-9-tg/x06d55bfa213a79fd:probability/x06d55bfa213a79fd:introduction-to-probability/v/introduction-to-probability 2025-10-06T14:00:44.591197305Z Introduction to probability In this video, we’ll take you through the basics of probability in the most visual and easy-to-follow way. Starting with simple everyday examples, we explain what a random experiment is, such as tossing a coin or rolling a die, and how it leads to different outcomes. You'll then understand what defines an event, how to identify favorable outcomes, and distinguish them from total outcomes. We also explore the idea of equally likely outcomes, a key concept when determining fair chances. Finally, we’ll introduce the fundamental probability formula—favorable outcomes divided by total outcomes—making it crystal clear with real-life applications and interactive visuals. Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! https://www.khanacademy.org/math/ncert-class-8/x4eb5a6db275bcce1:data-handling-ncert-new Timestamps: 00:00 What is probability 00:46 Random Experiment 01:29 Outcome and Event 03:09 Equally Likely Outcomes 03:51 Favorable and Total Outcomes 05:07 Calculating Probability Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month. Support Us: https://india.khanacademy.org/donate Created by Khan Academy Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Introduction to probability In this video, we’ll take you through the basics of probability in the most visual and easy-to-follow way. Starting with simple everyday examples, we explain what a random experiment is, such as tossing a coin or rolling a die, and how it leads to different outcomes. You'll then understand what defines an event, how to identify favorable outcomes, and distinguish them from total outcomes. We also explore the idea of equally likely outcomes, a key concept when determining fair chances. Finally, we’ll introduce the fundamental probability formula—favorable outcomes divided by total outcomes—making it crystal clear with real-life applications and interactive visuals. Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! https://www.khanacademy.org/math/ncert-class-8/x4eb5a6db275bcce1:data-handling-ncert-new Timestamps: 00:00 What is probability 00:46 Random Experiment 01:29 Outcome and Event 03:09 Equally Likely Outcomes 03:51 Favorable and Total Outcomes 05:07 Calculating Probability Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month. Support Us: https://india.khanacademy.org/donate Created by Khan Academy https://cdn.kastatic.org/ka-youtube-converted/dTQT4NFQOl4.mp4/dTQT4NFQOl4.mp4 337 Introduction to probability https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-probability-statistics/cc-7th-basic-prob/e/probability_1 2026-03-15T17:11:10.340789021Z Simple probability Practice finding probabilities of events, such as rolling dice, drawing marbles out of a bag, and spinning spinners. Ben Alpert exercise https://www.khanacademy.org/math/class-9-tg/x06d55bfa213a79fd:probability/x06d55bfa213a79fd:linking-the-chance-to-probability/v/experimental-probability-indian 2026-03-11T06:20:45.557347727Z Experimental Probability Why do coin tosses seem more balanced when you flip 100 times instead of 10? This video explores experimental probability and the Law of Large Numbers! Discover why extreme results get diluted as you perform more trials and how this principle applies to everything from dice rolls to medicine testing. Learn what experimental probability is and how to calculate it using the formula: P(event) = Number of times event happens / Total number of tries. We'll compare coin flipping experiments (10, 50, and 100 tosses), test the pattern with dice rolls, and see why a small sample of 10 students can look skewed while a larger sample reveals the truth. Understand how this impacts real world decisions in testing medicines, conducting polls, and maintaining product quality! Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Experimental Probability Why do coin tosses seem more balanced when you flip 100 times instead of 10? This video explores experimental probability and the Law of Large Numbers! Discover why extreme results get diluted as you perform more trials and how this principle applies to everything from dice rolls to medicine testing. Learn what experimental probability is and how to calculate it using the formula: P(event) = Number of times event happens / Total number of tries. We'll compare coin flipping experiments (10, 50, and 100 tosses), test the pattern with dice rolls, and see why a small sample of 10 students can look skewed while a larger sample reveals the truth. Understand how this impacts real world decisions in testing medicines, conducting polls, and maintaining product quality! https://cdn.kastatic.org/ka-youtube-converted/Gr6l2t9Oln8.mp4/Gr6l2t9Oln8.mp4 456 Introduction to probability https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-probability-statistics/cc-7th-basic-prob/e/finding-probability 2026-03-06T16:40:44.65135105Z Experimental probability Practice making reasonable estimates of the likelihood of future events based on past experience. Rhonda Hughes exercise https://www.khanacademy.org/math/ka-math-class-11/x0419e5b3b578592a:probability-ncert-new/x0419e5b3b578592a:axiomatic-approach-to-probability/e/probability-of-an-event 2026-03-07T07:40:49.175188093Z Probability of an event Find probability of an event or complement of an event. srijan exercise https://www.khanacademy.org/math/class-9-tg/x06d55bfa213a79fd:probability/x06d55bfa213a79fd:uses-of-probability-in-real-life/v/simple-probability-yellow-marble-indian-accent 2025-06-03T19:25:43.416794683Z Simple probability: yellow marble In order to find the probability of picking a yellow marble from a bag, we have to first determine the number of possible outcomes, and then how many of them meet our constraints. Kalakrit (Dubbing) video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Simple probability: yellow marble In order to find the probability of picking a yellow marble from a bag, we have to first determine the number of possible outcomes, and then how many of them meet our constraints. https://cdn.kastatic.org/ka-youtube-converted/VSOx9cVx9_4.mp4/VSOx9cVx9_4.mp4 175 Introduction to probability https://www.khanacademy.org/math/class-9-tg/x06d55bfa213a79fd:probability/x06d55bfa213a79fd:uses-of-probability-in-real-life/e/uses-of-probability-in-real-life 2026-02-20T04:00:32.356270105Z Uses of Probability in real life In this exercise students will learn about the uses and applications of probability in real daily life. Khan Academy exercise