For two mutually exclusive events A and B, if P(A) = 0.4 and P(B) = 0.3, then P (A or B) is

For two mutually exclusive events A and B, if P(A) = 0.4 and P(B) = 0.

1.	For two mutually exclusive events A and B, if P(A) = 0.4 and P(B) = 0.3, then P (A or B) is
A.	0.6
B.	0.58
C.	0.7
D.	0.75
Answer» D. 0.75