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OpenStudy (anonymous):
What is the probability of drawing either a jack or king when randomly selecting a card from a deck of card?
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OpenStudy (zarkon):
how many jacks are there? How many kings are there ? How many cards in total are there?
OpenStudy (anonymous):
There's 52 cards in total and there's 4 kings and 2 jacks
OpenStudy (zarkon):
how many jacks?
OpenStudy (anonymous):
2
OpenStudy (zarkon):
no
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OpenStudy (zarkon):
there are 4 of each type of card
OpenStudy (zarkon):
4 aces 4 kings 4 queens 4 jacks ect
OpenStudy (anonymous):
So what is the probability then?
OpenStudy (zarkon):
how many kings and jacks do you have total ?
OpenStudy (anonymous):
8/52
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OpenStudy (zarkon):
yes...that is the probability
OpenStudy (anonymous):
2/13
OpenStudy (zarkon):
yes
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