Question: 2017 Winter Final - 17
Consider a uniformly random permutation of the set $\{1,2,\dots,50\}$. Define the event
- A = "in the permutation, both 8 and 4 are to the left of both 1 and 2".
(a)
2/3
(b)
1/3
(c)
1/5
(d)
1/6