Question

Which of the following statement are true regarding the exact inference in Bayesian Networks? Group of answer choices 1. For query variables, we consider all possible values and calculate the normalizer and obtain the normalized value..2. For hidden variables, we need to use summation for all their possible values.3. The joints probability can be expanded by the Bayesian Network. 4. For evidence variables, we use the given values.

Answer 1

The following statement are true regarding the exact inference in Bayesian Networks;

1. For query variables, we consider all possible values and calculate the normalizer and obtain the normalized value.

2. For hidden variables, we need to use summation for all their possible values.

4. For evidence variables, we use the given values.