Smoking and Birth Status Again Full-Term PreMature Row Summary Non-Smoker (N) 4036 365 4401 Smoker (S) 465 49 514 Column Summary 4501 414 4915 exercise 1aa Are the events Prem and S independent? NOTE: The definition of independent events was first introduced in Unit 1 Section 2. P(Prem/S) = [Choose ] P(Prem)= [Choose ] P(S)= [Choose ] P(S|Prem)= [Choose ] Prem and S __________independent events. [Choose ]

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