Answer:
Probability of being senior: P(A) = 0.22
Probability of being female: P(B) = 0.46
=> P(A) x P(B) = 0.22 x 0.46 = 0.10
Otherwise, probability of being senior and female: P(A⋂B) = 0.12
=> P(A) x P(B) is not equal to P(A⋂B)
=> A and B are not independent
Hope this helps!
:)