The answer in the order in which the questions have been asked:
[tex]\begin{gathered} 1.\text{ Dependent} \\ 2.\text{ Dependent} \\ 3.\text{ Independent} \\ 4.\text{ Dependent} \end{gathered}[/tex]For more clarity,
Two events are dependent if the occurrence of one affects the probability of the other occuring. This is the reverse for independent events.
