## Statistics: Informed Decisions Using Data (4th Edition)

$P(E~and~F)=0$
If the events E and F are disjoint, they have no outcomes in common. That is, $N(E~and~F)=0$. So: $P(E~and~F)=\frac{N(E~and~F)}{N(S)}=\frac{0}{N(S)}=0$