A and B are two events. The notation for conditional probability is P(B|A) . Which statement about the conditional probability is true?
EDIT: I'm very smart (/sarcastic) and forgot to list statements!

1)The conditional probability of event B given event A is P(B|A)=P(A)P(B) when two events are independent.

2)The conditional probability of event B given event A is P(B|A)=P(B) when two events are not independent.

3)The conditional probability of event B given event A is P(B|A)=P(B)P(A) when two events are independent.

4)The conditional probability of event B given event A is P(B|A)=P(A and B)P(A) when two events are not independent.