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OpenStudy (anonymous):
A standard deck of playing cards has 52 cards. The deck is divided into 4 suits: spades hearts, diamonds and clubs. There are 13 of each suit. what is the probability you will draw a heart?
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jimthompson5910 (jim_thompson5910):
how many hearts are there?
OpenStudy (anonymous):
13 @jim_thompson5910
jimthompson5910 (jim_thompson5910):
correct
jimthompson5910 (jim_thompson5910):
probability of drawing heart = (# of hearts)/(# of cards total) probability of drawing heart = 13/52 probability of drawing heart = 1/4 ... be sure to reduce fully
jimthompson5910 (jim_thompson5910):
the 1/4 makes sense because you essentially have 4 suits and you pick one suit of the 4
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OpenStudy (anonymous):
thankyou @jim_thompson5910
jimthompson5910 (jim_thompson5910):
np
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