1 .
Consider a uniformly random permutation $a_1,a_2,a_3,a_4$ of the set $\{1,2,3,4\}$.
Define the events
- A = "$a_1 > a_2$",
- B = "$a_4 > a_3$".
(a)
None of the above.
(b)
All of the above.
(c)
The events $A$ and $B$ are not independent.
(d)
The events $A$ and $B$ are independent.