Which of the Following Statements Is (Are)true with Regard to Probability

Multiple Choice

Which of the following statements is (are) true with regard to probability analysis?
I.If two events are independent,the occurrence of one event does not affect the occurrence of the second event.
II.If two events are dependent,the occurrence of one event affects the occurrence of the second event.

A) I only
B) II only
C) both I and II
D) neither I nor II