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Curated by: Khan Academy India - English (28 videos)
This video focuses on calculating probabilities related to forming numbers with specific conditions. We'll tackle problems like finding the probability of guessing a 4-digit lock combination with no repeating digits. We'll also determine the probability of forming an even 3-digit number using digits 1 through 5 without repetition, and the probability of forming an even 5-digit telephone number that starts with '67' and has no repeated digits. Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! (https://www.khanacademy.org/math/ncert-class-11/xea4762213f311c5e:probability-ncert-new/xea4762213f311c5e:axiomatic-approach-to-probability/e/probability-of-an-event) Timestamps: 00:00 Problem 1: Probability of guessing a 4-digit lock sequence with no repeats 01:00 Problem 2: Probability of forming an even 3-digit number (digits 1-5, no repeats) 02:25 Problem 3: Probability of forming an even 5-digit telephone number (starts with 67, no repeats) 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 Ashish Gupta