- 000

In Chapter 3 in the last sentence of the first paragraph of the section Total Probability Theorem i think it should say posterior instead of prior.
The probability of being at any position ๐ at time ๐ก can be written as ๐(๐๐ก๐) . We computed that as the sum of the prior at time ๐กโ1 ๐(๐๐กโ1๐)...