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Method of Enumeration - Coggle Diagram

- - - - Nummber of outcomes in younion over space = number of partition one/number of S + number in other partition/ number in S
  - - - n1 x n2 outcomes in total
    - - n1 x n2 x n3
    - - Key: Multiplication rules for for gender and drug.
  - - - Giving n!! outcomes
  - - - 26 letters take 4 at a time: 26 P 4
- - - - Sample size remains the same
    - - 26^4
- - - - Sequential implementation of r objects
      - P1: n objects, P2: n-1 objects, ... Pn: r+ 1
    - - For each arrangmment we do a permutation. r! outcomes
      - x * r! = n P r
    - - The number o possible 5-card hands drawn from a deck of 52 cards
        
        n c r= 52 C 5
        
        n c r appears in the binomial expansion. It is called the binomial coefficient
        
        :
- - - - GGB
      - GBG
      - BGG
- - - - Multinomial coefficient