addition_rule.cpp

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#include <iostream>
 
double addition_rule_independent(double A, double B) {
    return (A + B) - (A * B);
}
 
double addition_rule_dependent(double A, double B, double B_given_A) {
    return (A + B) - (A * B_given_A);
}
 
int main() {
    double A = 0.5;
    double B = 0.25;
    double B_given_A = 0.05;
 
    std::cout << "independent P(A or B) = " << addition_rule_independent(A, B)
              << std::endl;
 
    std::cout << "dependent P(A or B) = "
              << addition_rule_dependent(A, B, B_given_A) << std::endl;
 
    return 0;
}