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Chemistry 20 Online
OpenStudy (anonymous):

what is the probability of drawing P(Jack) in a standard set of cards? P(Spade)? P(Jack of spades)? P(not spade)?

OpenStudy (jfraser):

all probabilities depend on 2 things: the number of desired outcomes, and the number of total outcomes. How many jacks are there in a deck of cards, and how many cards are there total? \[P_{Jack} = \frac{\#Jacks}{\#cards}\]

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