this post was submitted on 06 Nov 2023
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Science Memes

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Sleeping Beauty Trolley Problem (mander.xyz)
submitted 1 year ago by [email protected] to c/[email protected]
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[–] [email protected] 26 points 1 year ago (1 children)

Info: How many people live in the kingdom?

There's a five in six chance you are picked 1 out of X, and a one in six chance you are 10 out of X.

If you've been picked, there are three possible outcomes.

Flipping the lever kills you. 5/6 x 1/X

Flilling the lever saves you and 9 other people. 1/6 x 1/X

Flipping the lever does nothing at all. 1/6 x 9/X

From a purely statistical standpoint, you're five times more likely to die flipping the lever, but the expected value, measured in lives saved, for flipping the lever is twice as high as not.

From a purely altruistic measure, you should always flip the lever, because at worst you kill yourself, at best you save 10 people, and you can do it with significant confidence that it doesn't actually matter.

But back to my original question, 5/6X vs 1/6X vs 9/6X where as X approaches infinity, the difference becomes negligible.

[–] [email protected] 14 points 1 year ago

Good question to ask, since specifics of selection process may affect the decision outcome! Other variants include growing humans in a vat from scratch on demand, using Star Trek transporter clones, or abducting the necessary number of people from a pre-selected list where your name happens to be the first one. For now, imagine the potential population as the 5 billion living cognizant adults.

as X approaches infinity, the difference becomes negligible

It may be negligible to the 4.999... billion adults sleeping comfortably and securely in their beds tonight, but the problem presupposed that you have already been abducted. It remains underdefined whether you refers to you the specific person reading this meme, or a more general you-the-unfortunate who has been chosen and is now listening to this on the headphones.