Three Families A, B, and C, Are Bidding on the Same

Multiple Choice

Three families A, B, and C, are bidding on the same one -family house. The probabilities are $0.20,0.25$ , and 0.28 , respectively, that a given family eventually moves into the house.
-In the situation above, if $A$ is the event that family $A$ moves into the house, and $B$ is the event that family $B$ moves into the house, the events $\mathrm{A}$ and $\mathrm{B}$ are

A) independent.
B) mutually exclusive.
C) complementary.
D) none of these.