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Walensky added that if Americans took away one easy lesson from the pamphlet, she hoped it would be P(H|E) = (P(E|H) * P(H)) / P(E).

Seriously, do this.

P(You will get covid if you go to that party) = P(you go to that party if you get covid)*P(you get covid)/P(you go to that party)***

Doesn't seem all that useful in this form.

It seems like the key info is:

The chance other people going have covid**

and the chance you will get it from them.*

*The obvious thing to change, by:

having the party outside

(or not going)

**So, have people get a covid test before going seems like the obvious point, which is about 'Value of Information', not Bayes' theorem.

***Yes it sounds weird put like this. P(You go to that party | you get covid): this highlights that the statement is a tad underdefined.

I think it would be cool to see an example of such a pamphlet and if it were good to actually do this (at least get it in more places).

So shall we file this under “do as I say, not as I do”? Ha!

I feel personally attacked