5.74 Refer to the contingency table shown below.
(a) Calculate each probability (i-vi) and explain in words what it means.
i. P(S) ii. P(W) iii. P(S | W)
iv. P(S | B) v. P(S and W) vi. P(N and B)
Smoking by Race for Males Aged 18-24
Smoker non smoker
(S) (N) Row Total
White (W) 290 560 850
Black (B) 30 120 150
Column Total 320 680 1000
This solution calculates and explains the probabilities of smoking by race.