Permutation and Combination

Geometric Sequences and Sums

Review last time: 1 + 2 + 4 + 8 + 16 + 32 + 64 + 128 = 128 * 2 – 1

BINARY CODE EXPLAINED https://mikkegoes.com/computer-science-binary-code-explained/

http://www.pages.drexel.edu/~dj426/Lab_6.htm

https://www.pluralsight.com/blog/it-ops/binary-explained-simply

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Permutation and Combination

Question 1: If get one number right is consider 1 right prize, what is the percentage can get 1 right prize?
Question 2: What is the percentage (chance) to get 2 numbers correct? P or C?
Question 3: Winning all 6 numbers correct, is it a C or P?
Question 4: What is the chance to get all six numbers correct?

https://mathbitsnotebook.com/Geometry/Probability/PBpermutations.html

https://mathbitsnotebook.com/Geometry/Probability/PBcombinations.html

https://mathbitsnotebook.com/Algebra2/Probability/PBPermutationPractice.html

Permutations with Repetition

https://www.ck12.org/c/probability/permutations-with-repetition/lesson/Permutations-with-Repetition-BSC-PST/

https://www.superprof.co.uk/resources/academic/maths/probability/combinatorics/permutations-with-repetition.html

https://brilliant.org/wiki/permutations-with-repetition/

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Chinese Link:

https://wenku.baidu.com/view/ed1d094b326c1eb91a37f111f18583d049640f29.html

https://wenku.baidu.com/view/2f2a919cbb0d4a7302768e9951e79b8969026860.html

https://www.bilibili.com/video/av458417373/

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