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Binomial Distribution
Sobre
binom(n, k, p) retorna a probabilidade de k sucessos
numa binomial(n, p)
Link original: probabilityBinomial.cpp
Código
double logfact[MAX];
void calc() {
logfact[0] = 0;
for (int i = 1; i < MAX; i++) logfact[i] = logfact[i-1] + log(i);
}
double binom(int n, int k, double p) {
return exp(logfact[n] - logfact[k] - logfact[n-k] + k * log(p) + (n-k) * log(1 - p));
}