What is the probability of these events when we randomly select a permutation of {1, 2, 3}?
a) 1 precedes 3.
b) 3 precedes 1.
c) 3 precedes 1 and 3 precedes 2.
What is the probability of these events when we randomly select a permutation of {1, 2, 3}?
a) 1 precedes 3.
b) 3 precedes 1.
c) 3 precedes 1 and 3 precedes 2.