Use Bayes' Theorem to answer this one and the next one.You need to show the prior, the likelihood and the posterior. You also need to show how you calculated the denominator. The classifier predicts that the student got an C. What is the chance that he actually did not get a C?

Actual

A B C D

Predicted A 12 3 2 4

B 4 6 3 3

C 1 2 9 2

D 2 2 7 8