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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License. math exams: Question 11/23/2012 11:211

Sunday, December 23, 2012

Question 11/23/2012 11:211

Suppose it is estimated that the chance that A can solve a certain problem is \frac{2}{3} , and the chance that B can solve it is \frac{5}{12} ;let us consider what is the chance of the problem being solved when they both try.

Ans.  \frac{29}{36}

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