Have Shopped
Male
Female
500
300
Have Never Shopped
700
500
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?
Yes; because P(F & S) - P(F). P(S),
No; because P(F & S) + P(F). P(S)
Yes; because P(F & S) - P(F) + P(S)
No; because P(F & S) HP(F) + P(S)