Two-Way table questions

Question

• For this data, calculate the following probabilities:
• 1. The passenger was first class
• 2. The passenger survived
• 3. The passenger was first class and survived
• 4. They survived given they were in first class
• 5. Out of survivors, what is the probability they survived
• 6. The passenger was in 3rd class
• 

Answers

• 1. 324/1317 , same as ; 108/439
• 2. 500/1317
• 3. 201/1317 , same as ; 67/439
• 4. 201/324 , same as ; 67/108
• 5. 201/500
• 6. 181/500