Suppose the probability of an event occurring is P(A), and the probability of the event not occurring is P(A'). If P(A) = m and P(A') = n, which of the following equations must be true?

A.
B.
C.
D.

Question

Suppose the probability of an event occurring is P(A), and the probability of the event not occurring is P(A'). If P(A) = m and P(A') = n, which of the following equations must be true?

 		A.	
 		B.	
 		C.	
 		D.

campbell_st · Answer

well as there are no choices shown...I'll guess it will be something like

m + n = 1

or m = 1 -n

or n = 1 - m