kianak12 kianak12

23-07-2017
Mathematics

contestada

A card is drawn from a well shuffled deck of 52 cards. Find the probability that the card is a red card or a 2.

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konrad509 konrad509

23-07-2017

[tex]|\Omega|=52[/tex]

There are 26 red cards and four 2's. But two 2's are red, so [tex]|A|=26+4-2=28[/tex]

[tex]P(A)=\dfrac{28}{52}=\dfrac{7}{13}\approx54\%[/tex]

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