Respuestas

2012-09-14T18:54:16+02:00

1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19

 

A:Los multiplos de 3 son:

 

A={3,6,9,12,15,18}

 

B:Los multiplos de 5 son:

 

B={5,10,15}

 

A∧B={15}

 

P(A ó B)=P(A)+P(B)-P(A∧B)=6/19+3/19-1/19=10/19