Cody

# Problem 43166. Probabilities - Balls and urns - 02

Solution 1578087

Submitted on 8 Jul 2018 by David Verrelli
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### Test Suite

Test Status Code Input and Output
1   Pass
R=4; B=8; N=6; K=2; p = 0.4545; assert( abs(probability(R,B,N,K)-p)<1e-04 );

pEachPermutation = 0.0303 numberOfPermutations = 15 p = 0.4545

2   Pass
R=22; B=6; N=14; K=12; p = 0.2418; assert( abs(probability(R,B,N,K)-p)<1e-04 );

pEachPermutation = 0.0027 numberOfPermutations = 91 p = 0.2418

3   Pass
R=22; B=60; N=5; K=0; p = 0.2002; assert( abs(probability(R,B,N,K)-p)<1e-04 );

pEachPermutation = 0.2002 numberOfPermutations = 1 p = 0.2002

4   Pass
R=9; B=0; N=4; K=4; assert( isequal(probability(R,B,N,K),1) );

pEachPermutation = 1 numberOfPermutations = 1 p = 1

5   Pass
R=1; B=78; N=78; K=1; p = 0.9873; assert( abs(probability(R,B,N,K)-p)<1e-04 );

pEachPermutation = 0.0127 numberOfPermutations = 78 p = 0.9873