Spiegare il ragionamento.
Svolgimento passo - passo
Pr [X|A'] = Pr [ X & A' ]/Pr [A'] = 1/2
Pr [X & A'] = 1/2 * (1 - 1/6) = 5/12
Pr [X & A] = Pr [X] - Pr [X & A'] = 13/24 - 5/12 = 3/24 = 1/8
Pr [X|A] = Pr [ X & A ]/Pr [A] = 1/8 : 1/6 = 6/8 = 3/4 (C)