Pre-Calculus

Two cards are drawn from a standard deck of 52 cards. What is the probability of drawing 2 queens or 2 red cards?

(4/52)(3/51)=1/221 ---drawing a queen

(26/52)(25/51)=25/102--drawing a red card


(1/221)(25/102)= 25/22542 drawing a queen or red card


Is this correct??

Thanks for your help

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asked by Lucy
  1. No. You need to find the OR probability, a little tricker. And remember two queens are red...

    I cant do it better than this. Study it.
    http://en.allexperts.com/q/Basic-Math-657/Probability-5.htm

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    posted by bobpursley

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