Math Is Fun Forum
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#26 2015-12-12 15:00:46
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Hard/longwinded Probability question
Did you get the right answer?
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
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#27 2015-12-12 16:41:54
Re: Hard/longwinded Probability question
I do not know what to do next
'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
I'm not crazy, my mother had me tested.
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#28 2015-12-12 20:42:44
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Hard/longwinded Probability question
The simulation will only give me real number approximations.
Whenever you have a big problem break it into a smaller problem that has the same character.
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
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#29 2015-12-13 01:58:33
Re: Hard/longwinded Probability question
I still do not know how to deal with the problem
'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
I'm not crazy, my mother had me tested.
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#30 2015-12-13 04:31:03
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Hard/longwinded Probability question
Can you deal with the smaller question of exactly 2 out of 4 shots?
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#31 2015-12-13 04:43:13
Re: Hard/longwinded Probability question
I think I can handle 4 but not 5
'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
I'm not crazy, my mother had me tested.
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#32 2015-12-13 04:46:39
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Hard/longwinded Probability question
Hi;
What did you get for 4? Then rationalize the answer. Then do 3 out of 6 and rationalize. Then 4 out of 8... You will see the obvious pattern. You can now make an ansatz. Of course this is not a proof, but an EM answer is much better than no answer especially in the real world.
Now if you are still motivated to see a proof go here:
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#33 2015-12-14 02:09:39
Re: Hard/longwinded Probability question
Very interesting
'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.'
'God exists because Mathematics is consistent, and the devil exists because we cannot prove it'
I'm not crazy, my mother had me tested.
Offline
#34 2015-12-14 08:48:35
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Hard/longwinded Probability question
To do big, you have to think small.
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
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