Mathematics, 13.04.2020 20:05 garykids305

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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