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인기 있는 Word Problems >

a card is selected from a deck of playing cards. what is the probability of selecting a red card

해법

a c a r d i s se l ec t e d f ro m a d ec k o f pl a y in g c a r d s . w ha t i s t h e p ro babi l i t y o f se l ec t in g a re d c a r d

해법

\frac{1}{2}

+1

소수

0.5

솔루션 단계

There are

52

cards in the deck

Total number of red cards is

26

Probability

= \frac{number of favorable outcomes}{total number of outcomes}

= \frac{26}{52}

= \frac{1}{2}

인기 있는 예

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