But your example of math conveys absolutely nothing. It models nothing, ant is and example of nothing. It is completely irrelevant because it isn't in any way related to the way evolution works.
You have yet to tell us where you got your information about the breeding habits of T-Rex.
You must be misunderstanding the relevance, then.
Information Theory Math is entirely valid for the probabilities of randomly sequencing data...in fact it's one of those rare areas of biology that we can actually calculate.
Hence the link to the relevant math.