document.write( "Question 658812: In a group of 15 boys, there are 6 scouts. In how many ways can 8 boys be selected, so as to include \r
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Algebra.Com's Answer #410526 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "Example of BIONOMIAL PROBABILITY DISTRIBUTION
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document.write( "Note: The probability of x successes in n trials is: 
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document.write( "P = nCx*  where p and q are the probabilities of success and failure respectively. 
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document.write( "In this case p(scout) = 2/5 & q = 3/5   and n = 8
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document.write( "nCx = 
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document.write( "8 boys be selected, so as to include 
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document.write( "P(x = 3) = 8C3(.4)^3(.6)^5
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document.write( "P(x ≥ 3) = 1- P(x≤ 2)= 1 - P(x=0) + P(x=1)+ P(x=2)
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document.write( "P(x ≤ 3) = P(x=0) + P(x=1)+ P(x=2)+ P(x=3) \n" );
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