https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:prob-comb/x9e81a4f98389efdf:prob-combinatorics-precalc/v/probability-using-combinations 2021-07-01T17:39:51Z Probability using combinations Probability of getting exactly 3 heads in 8 flips of a fair coin. Sal Khan video https://cdn.kastatic.org/googleusercontent/1dns3NVcMRH2dqdTsqFAQJLOz9_5xjMvn1zaLlpSexmo9bzBIULY4zic55J-z63rz3t_uND2uhgfZZnYoNiNBRCi Probability using combinations Probability of getting exactly 3 heads in 8 flips of a fair coin. https://cdn.kastatic.org/ka-youtube-converted/Xqfcy1rqMbI.mp4/Xqfcy1rqMbI.mp4 550 Probabilidades con combinatoria https://www.khanacademy.org/math/statistics-probability/counting-permutations-and-combinations/combinatorics-probability/v/probability-and-combinations-part-2 2021-05-19T21:45:30Z Probability & combinations (2 of 2) Making at least 3 out of 5 free throws. Sal Khan video https://cdn.kastatic.org/googleusercontent/OSrP83zSQgFUM8_UqJdhvcnYk-fgluGLjSOmuOKJxVS9_WtMJ6HnSvNQaB5svv0h7KPMhmSIGhFeS3iu2z_MH5q- Probability & combinations (2 of 2) Making at least 3 out of 5 free throws. https://cdn.kastatic.org/ka-youtube-converted/W7DmsJKLoxc.mp4/W7DmsJKLoxc.mp4 636 Probabilidades con combinatoria https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:prob-comb/x9e81a4f98389efdf:prob-combinatorics-precalc/v/probability-of-dependent-events 2021-07-01T17:39:51Z Example: Different ways to pick officers Thinking about the different ways we can pick officers in order to find the probability of one situation in particular. Sal Khan video https://cdn.kastatic.org/googleusercontent/AnHtp7AZFZhwBZzHL96ACHjI6pfOAuwOnuIR1WlJRvocE_fK6KeUd2zcD9ZZX3LYBqGAWvBAAgCwkl0DYkSoBxQ Example: Different ways to pick officers Thinking about the different ways we can pick officers in order to find the probability of one situation in particular. https://cdn.kastatic.org/ka-youtube-converted/l9ft9jpriNA.mp4/l9ft9jpriNA.mp4 143 Probabilidades con combinatoria https://www.khanacademy.org/math/statistics-probability/counting-permutations-and-combinations/combinatorics-probability/v/probability-of-dependent-events-2 2021-05-19T21:45:29Z Example: Combinatorics and probability Probability of getting a set of cards Sal Khan video https://cdn.kastatic.org/googleusercontent/nTVMJ1D2Rxf0b8Qs_ULyY1mJL98lJ7InnGOXm2OiSomIt-pb345r-XLAhn3qZIo--IzXI6DMJc-Ij3Gmg3ZGnZbc Example: Combinatorics and probability Probability of getting a set of cards https://cdn.kastatic.org/ka-youtube-converted/ccrYD6iX_SY.mp4/ccrYD6iX_SY.mp4 651 Probabilidades con combinatoria https://www.khanacademy.org/math/statistics-probability/counting-permutations-and-combinations/combinatorics-probability/v/getting-exactly-two-heads-combinatorics 2021-05-19T21:45:29Z Getting exactly two heads (combinatorics) A different way to think about the probability of getting 2 heads in 4 flips Sal Khan video https://cdn.kastatic.org/googleusercontent/XeWek1_QJWvX_0jbUTpWLwGydza7Mr-rTTigTQqL-a9qyknAueFZPfGruy4khcDK_CgMVe7JanoiYhGkWcPZeou5 Getting exactly two heads (combinatorics) A different way to think about the probability of getting 2 heads in 4 flips https://cdn.kastatic.org/ka-youtube-converted/8TIben0bJpU.mp4/8TIben0bJpU.mp4 600 Probabilidades con combinatoria https://www.khanacademy.org/math/statistics-probability/counting-permutations-and-combinations/combinatorics-probability/v/exactly-three-heads-in-five-flips 2021-05-19T21:45:29Z Exactly three heads in five flips Probability of exactly 3 heads in 5 flips using combinations Sal Khan video https://cdn.kastatic.org/googleusercontent/HJX_cfPnJUDHXMn_0r0hKPevB9JNse7mLJIbqGjOvX4Ofh-G1nzlRfO6EyKuw1qat_t5pwMGgEbAsfPb0b5dMpg Exactly three heads in five flips Probability of exactly 3 heads in 5 flips using combinations https://cdn.kastatic.org/ka-youtube-converted/udG9KhNMKJw.mp4/udG9KhNMKJw.mp4 411 Probabilidades con combinatoria https://www.khanacademy.org/math/statistics-probability/counting-permutations-and-combinations/combinatorics-probability/v/generalizing-with-binomial-coefficients-bit-advanced 2021-05-19T21:45:29Z Generalizing with binomial coefficients (bit advanced) Conceptual understanding of where the formula for binomial coefficients come from Sal Khan video https://cdn.kastatic.org/googleusercontent/fOJXVvVicC7kHxk687oU-sQUz0B-FQ9_xdpjHS77FpwSJrVyjCWY0pso_WLmazutkXXESmH8rdeG6b5IM--ZEAI Generalizing with binomial coefficients (bit advanced) Conceptual understanding of where the formula for binomial coefficients come from https://cdn.kastatic.org/ka-youtube-converted/AOsWph2FNLw.mp4/AOsWph2FNLw.mp4 700 Probabilidades con combinatoria https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:prob-comb/x9e81a4f98389efdf:prob-combinatorics-precalc/v/permutations-and-combinations-4 2021-07-01T17:39:51Z Example: Lottery probability What is the probability of winning a 4-number lottery? Sal Khan video https://cdn.kastatic.org/googleusercontent/4qLmuEAV6gK1lWIpg0Fb8NFtdJdjA_ijeXLabYLfvfDnjnUP1rd9dPLE7FCc-yhxqFp2x88bgDFs9xB4-0d4BHvBGw Example: Lottery probability What is the probability of winning a 4-number lottery? https://cdn.kastatic.org/ka-youtube-converted/DIjlllgq3dc.mp4/DIjlllgq3dc.mp4 310 Probabilidades con combinatoria https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:prob-comb/x9e81a4f98389efdf:prob-combinatorics-precalc/e/probability_with_perm_comb 2021-07-29T14:00:50.153398958Z Probability with permutations and combinations Use permutations and combinations to find probabilities. Mark Wittels exercise https://www.khanacademy.org/math/statistics-probability/counting-permutations-and-combinations/combinatorics-probability/v/conditional-probability-and-combinations 2020-09-26T18:13:15Z Conditional probability and combinations Probability that I picked a fair coin given that I flipped 4 heads out of 6 tosses. Sal Khan video https://cdn.kastatic.org/googleusercontent/wKt41lJm-HWfRa4_W--SIdIKbEyslZdVtb5sgTzUnzSyWIWDntXku3jwD3QOeX32BLSKpIpSLdr1KyDx70BeWZlA Conditional probability and combinations Probability that I picked a fair coin given that I flipped 4 heads out of 6 tosses. https://cdn.kastatic.org/ka-youtube-converted/xw6utjoyMi4.mp4/xw6utjoyMi4.mp4 1012 Probabilidades con combinatoria https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:prob-comb/x9e81a4f98389efdf:prob-combinatorics-precalc/v/mega-millions-jackpot-probability 2021-07-01T17:39:47Z Mega millions jackpot probability Probability of winning the Mega Millions jackpot Sal Khan video https://cdn.kastatic.org/googleusercontent/1LKJoG86nts2ZMCgVOge9wLqsjloBtbD5PPWEOeU-dXr3Esu7JykV-faZKJLnTr0ey1I1UBsf8Fojz5E6Cykl4g Mega millions jackpot probability Probability of winning the Mega Millions jackpot https://cdn.kastatic.org/ka-youtube-converted/gyqodNhM3EU.mp4/gyqodNhM3EU.mp4 330 Probabilidades con combinatoria https://www.khanacademy.org/math/statistics-probability/counting-permutations-and-combinations/combinatorics-probability/v/birthday-probability-problem 2021-05-19T21:45:25Z Birthday probability problem The probability that at least 2 people in a room of 30 share the same birthday. Sal Khan video https://cdn.kastatic.org/googleusercontent/0IwJujajSKvenyhBVCSNiCq2Rx6JOKgUk2I3km25MNbX6FjCNIGl1vzZmn1nMnQLj9pgp9acB_Ac41rWjY3J9TyLaQ Birthday probability problem The probability that at least 2 people in a room of 30 share the same birthday. https://cdn.kastatic.org/ka-youtube-converted/9G0w61pZPig.mp4/9G0w61pZPig.mp4 796 Probabilidades con combinatoria