Step 1: Determine bond order and magnetic nature. 
Step 2: Identify matching properties.
O$_2^-$ and N$_2^-$ both have bond order 2.5 and are paramagnetic.
Regarding the molecular orbital (MO) energy levels for homonuclear diatomic molecules, the INCORRECT statement(s) is (are):
If a random variable \( x \) has the probability distribution 
then \( P(3<x \leq 6) \) is equal to