A lot contains 50 defective and 50 non-defective bulbs. Two bulbs are drawn at random one at a time with replacement. The events A,B,C are defined as :
A: 1st bulb is defective
B: 2nd bulb is non-defective
C: both are defective or both are non-defective, then
A. A,B,C are pairwise as well as mutually independent.
B. A,B,C are pairwise independent but mutually not independent.
C. A,B,C are mutually independent but pairwise not independent.
D. None of these.