2. Select all the statements or equations that show that events A and B are independent.
a.
P(A and B) = P(A). P(B)
b.
P(A or B) = P(A) + P(B) - P(A and B)
C.
P(AB) = P(A) and P(BA) = P(B)
d.
P(A) is the same whether event B happens or not.
e.
P(A and B)
P(
AB) =
P(A)