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Probability of an # of desired outcomes
Event total # of possibilities
This means quot;the probability of getting
EX Roll a standard die. a 2quot; is......
P(odd #) =
The EVENT is always in the
EX Pick a card randomly from a standard deck. (52)
P(Queen of clubs) =
P(red card) =
The probability of all events happening
is 1 or 100%.
Therefore....the probability of an event NOT HAPPENING IS:
1 P(event happening)
EX If the chance of you winning a game is 0.41, then
what is the chance of losing the game?