Refer to the contingency table shown below

Smoking by Race for Males Aged 18 to 24

Smoker (S) Non-smoker (N) Row Total

White (W) 251 548 799

Black (B) 44 157 201

Column Tot : 295 705 1,000

(a) Calculate the probabilities given below: Round answer to 4 decimal places

1. P (S)----------------------

2. P (W)----------------

3. P (S/W)--------------

4. P (S/B)---------------

5. P (S and W)-------------

6. P(N and B)--------------