Show that if one event A is contained in another event B, then P(A) _< P(B). Hwat does this imply about the relationship between P(AUB), P(A), and P(A inersect B)?
Show that if one event A is contained in another event B, then P(A) _< P(B). Hwat does this imply about the relationship between P(AUB), P(A), and P(A inersect B)?
If each of is an event then .
Consider this: .
So,