# Bayesian Rejection Sampling

Learn the concept of Bayesian rejection sampling.

Our QBN is well trained. However, when we look back to all the CPT it consists of (see the lesson titled Estimating a Variable), we haven’t completed it. We still miss the CPT of being favored by a `Norm`

given the passenger’s `Sex`

and `Age`

, and we miss the CPT of `Surviva`

l given the `Norm`

and the `Pclass`

. Let’s catch up on this.

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