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You will not be able to port MapInfo styles directly to QGIS, mainly because MapInfo styles are per-feature, whereas QGIS styles are rule-based.

That said, you can have a go with Nathan Woodrow's tool to convert styles: https://nathanw.net/2011/08/08/new-tool-mapinfo-to-qgis-style-converter/. It does a pretty good job.

But, I'd just start again. It's not too hard to style things up, really, and you've got a whole bunch of new options with QGIS to make things look pretty!

Also, since you're using PostGIS, you can store a default QGIS style in the database!

It is part of the postulates of quantum mechanics that the expectation value of the observable corresponding to the hermitian operator $A$ in the normalized state $|\psi\rangle$ is given by $\langle A\rangle_\psi =\langle\psi|A|\psi\rangle$. Alternatively, you can postulate that the expectation value is given by $\langle A \rangle_\psi = \frac{\langle\psi|A|\psi\rangle}{\langle\psi|\psi\rangle}$. See, for example, the Dirac--von Neumann axioms

Either way the normalization is necessary, because otherwise you have to give physical meaning to the normalization.

Edit: So the reason your calculation is giving a strange result is you are calculating expectation values wrong.

The first Poker Night at the Inventory had an option for the amount Table Conversation in the Gameplay Options. With it, you could control the amount of banter during the gameplay to either hear it all the time, or to concentrate on the game.

Unfortunately this option was not included in Poker Night 2. The Gameplay Options includes only How to Play -section. The amount of banter also seems to be comparable to the high option level of the first game.

Of course, these only control the amount of banter. The quality of it is unaffected by any options. There is a large selection of dialogues that can happen and the ones that you hear are selected largely at random.

This holds doubly true for the lines spoken as a reaction to the player actions, as these have never been limited by any option, happen most of the time and as far as I can tell, aren't affected by any gameplay decisions.