Permutations + Combinations + Probabilities + Odds

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10 Terms

1
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Permutation

order DOES matter

2
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Combination

order DOES NOT matter

3
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Probability

want/total

4
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And

= multiplication

5
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or + at least + at most

= add

6
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Cards combination

order DOES NOT matter

  • 52 total cards

  • 26 cards per color

  • 13 cards in a suit

  • 12 face cards (king, queen, jack)

  • 4 suits (diamond, heart, club, spade)

7
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Dies Probabilities

total sum = 36

  • not getting a sum of # AND sum of at least 4 →

    • bigger numerator

    • subtract number from 36

8
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Card probabilities

  • Don’t forget to subtract the overlapping cards if needed and when there is an OR

    • especially for with or without replacements

    • fraction

9
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CONDITIONAL Probability

= given

  • Only focus on the group that is given

10
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Odds

want:dont want