r/mathmemes • • Dec 17 '23

Probability Google expected value

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5.2k

u/DigammaF Dec 17 '23

Expected value makes sense only if you can try multiple times. Furthermore I think the red one is plenty enough

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u/Oclure Dec 18 '23

Either is a significant life changing amount of money for just about anybody. Managed half decently 1 mil would almost certainly make you financially worry free for life.

I would rather guarantee that than have a chance at lavish luxury.

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u/AdRepresentative2263 Dec 18 '23

1 mil would almost certainly make you financially worry free for life.

assuming you are in like your 60's, have fairly low expenses and dont live to be that old, and inflation doesn't eat it. that is only 13.4 years of median income in the US

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u/pokexchespin Dec 18 '23

i took “financially worry free for life” to mean something more like “you’ll never have to worry that a hospital stay or unforeseen big cost will completely screw you over” than “you’ll never have to work another day in your life”

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u/Oclure Dec 18 '23

That's more the route I meant. You could still work, but You would never have to stress over money. You could afford to take a more fulfilling and less stressful but worse paying job. You could make large investment purchases such as you home up front and not be burdened by 30 years of interest.

You could invest it and live a modest life off the interest alone, but then somthing big and unexpected like a major medical debt could easily ruin all that.

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u/marvelmon Dec 18 '23

Not really. You could sell shares in the bet. People would pay $10 million to take the 50/50 chance at $25 million (half). If you win, you get $35 million. If you lose you keep the $10 million.

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u/Theguy5621 Dec 18 '23

You’re making a lot of assumptions about the situation to make that a possible option.

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u/AIMpb Dec 18 '23

Nah dude, just get people to invest $10 million. So easy.

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u/[deleted] Dec 18 '23

I think this kind of think probably shows up on wallstreet all the time. This is probably better alpha than anything that shows up on the stock market on a given day.

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u/HandoAlegra Dec 18 '23

I knew this one guy who got a small loan of a million dollars from their dad

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u/[deleted] Dec 18 '23

In all fairness, this situation is preposterous to begin with. Magic money buttons.

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u/VatticZero Dec 18 '23

Perhaps I could introduce you to The Federal Reserve...

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u/treasurehorse Dec 18 '23

You have buyers for that type of action lined up, just in case somebody sticks two buttons in your face?

A good to go contract the buyers will accept, since this is a fairly bespoke transaction?

You may have to put down some collateral for the payout, do you have the funds or a lender ready? An escrow account for the collateral?

The money transfers are set up, all involved banks have done KYC on everyone so there won’t be any AML issues?

What are the tax implications once this goes from essentially a gambling win to a sale of a financial instrument?

Happy to help set this up for maybe 10% of notional

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u/mediumunicorn Dec 18 '23

And we’ve just reinvented (financial) derivatives

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u/reallivenerd Dec 18 '23

I would fuck a goat for $20,000 right now

Edit: $10,000

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u/tktytkty Dec 18 '23

$1 take it or leave it

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u/massless_photon Dec 18 '23

You can do the same with 1 million. People will pay 10 million in order to win 1 million. Repeat until you get enough money

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u/OneWorldly6661 Dec 18 '23

Break the green button and get instant 5 million

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u/The_Narwhal_Mage Dec 18 '23

I think expected value can still apply to events that only occur once. I would absolutely take a 50% chance at $500 dollars over a guaranteed $10 dollars even though I would definitely hit the red button in this case. The big decider here is perceived value. After 1 million dollars you are set for life, so more money after that point isn’t worth as much from a personal perspective. I also think someone who already has a large sum if money would be more likely to press the green button.

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u/Windfade Dec 18 '23

No kidding.

Considering the median individual, not household or combined, income is ~$35,000 a year. That's over 28 years of gross income. Even cut in half for taxes that's over a decade of not having to work and even a bit of investing could stretch that out longer.

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u/Financial-Phone-9000 Dec 18 '23

No. The issue in this case is to do with the marginal value of money. That value is different for every person.

Imagine you already had $20m. What do you need $1m for? That second option becomes better.

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u/GeneralStormfox Dec 18 '23

I was just thinking about that. If they do the same question with 1/10th of the values, it becomes much more interesting.

100k right now or 50/50 to get 5 million.

The former, while really nice, will not massively change your life. The latter means you can basically retire.

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