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**anna_gg****Member**- Registered: 2012-01-10
- Posts: 231

Get two random numbers between 0 and 1. Subtract the smaller from the bigger. What is the probability that the result is <0.3? Is it greater than the probability to be > or equal to 0.3?

For what number (instead of 0.3) the probability for both cases is the same?

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 104,771

Hi;

Is it greater than the probability to be > or equal to 0.3?

I am not understanding you here, the P(≥.3) = .49

Did you check your post about the towns?

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

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**anna_gg****Member**- Registered: 2012-01-10
- Posts: 231

Correct.

So, to have equal probability for both cases, we have to substitute 0.3 with 1-sqrt(0.50) = 1-0.707 = 0.292

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 104,771

Hi;

Yes to get both equal to 1 / 2 we would need

Have you seen the answer given for,

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

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