Reference - 12.2: Use the data below and Bayes' theorem to answer questions 34-35.

-Reference - 12.2: Which of the following would be the posterior probabilities, P(Sj|U)?
A) 0.83, 0.12, and 0.05
B) 0.49, 0.07, and 0.03
C) 0.47, 0.49, and 0.04
D) 1.00, 0.59, and 1.00

Question

Reference - 12.2: Use the data below and Bayes' theorem to answer questions 34-35.
 
-Reference - 12.2: Which of the following would be the posterior probabilities, P(Sj|U)?
A) 0.83, 0.12, and 0.05 
B) 0.49, 0.07, and 0.03 
C) 0.47, 0.49, and 0.04 
D) 1.00, 0.59, and 1.00

Quizplus · Accepted Answer

To obtain the revised or posterior probabilities, divide each joint probability by their sum. The required probabilities are, therefore, 0.49/0.59, 0.07/0.59, 0.03/0.59 or about 0.83, 0.12, 0.05, respectively.