document.write( "Question 406105: Because of limited funds, 5 research centers are chosen out of 8 suitable ones for a study on cancer. If the selection is made at random, what is the probability that these 5 particular research center will be chosen?\r
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Algebra.Com's Answer #286677 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "nCx = 
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document.write( " 8C5 = 56 ways of choosing the 5 research centers (8!/5!3! = 8*7*6/2*3)
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document.write( "P(choosing a one particular combination) = 1/56 \n" );
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