Two thousand adults were randomly selected and asked whether they had shopped online in the previous week. Their responses are in the table. Are the events F = "is female" and S = "have shopped" independent? Why or why not?
A) Yes; because P (F & S) = P (F) · P (S).
B) No; because P (F & S) ≠ P (F) · P (S)
C) Yes; because P (F & S) = P (F) + P (S)
D) No; because P (F & S) ≠ P (F) + P (S)
I'm pretty sure it's B but I want to make sure.
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