Multiple Variable combinations Taylor Chevalier and Weston Salanty

Formula

Example

In a game of blackjack, when three of the four cards are known, what are the odds that the fourth card will equal 10?
  • y cards per suit = 10
  • Jack, Queen, King, and 10 = 10
  • 16 cards in total — 16 possible solutions [P]
  • Zero cards shown — [S]

P — 16

S — 0

K — 3

Definitions

Probability: the likelihood of something specific happening or being the case

Sample Space: all possible outcomes

Combinations: a way to calculate the total outcomes of an event where order of the outcomes does not matter

Complement: the event which does not happen

Outcome: the result of an experiment

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