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# Cons30 S Probability Intro

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### Cons30 S Probability Intro

1. 1. UNIT 3: PROBABILITY
2. 2. 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(2) =  P(odd #) =  The EVENT is always in the  brackets.
3. 3. EX Pick a card randomly from a standard deck. (52) P(Queen of clubs) =   P(Ace) =  P(diamond) =  P(red card) =
4. 4. The probability of all events happening  is 1 or 100%. Therefore....the probability of an event NOT HAPPENING IS: 1 ­ P(event happening)
5. 5. EX If the chance of you winning a game is 0.41, then  what is the chance of losing the game?
6. 6. HOMEWORK p.324; #1­8