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curiosoperoinutil.com :: Ver Tema - experimento sociologico
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experimento sociologico
http://forum.curiosoperoinutil.com/viewtopic.php?f=2&t=545
Página 1 de 1

Autor:  necropimp [ Vie 30 Jun 2006, 21:52 ]
Asunto:  experimento sociologico


Autor:  Shora [ Vie 30 Jun 2006, 22:07 ]
Asunto: 


Autor:  ocularis [ Vie 30 Jun 2006, 22:33 ]
Asunto: 


Autor:  Caronte [ Sab 01 Jul 2006, 12:02 ]
Asunto: 


Autor:  Garvm [ Sab 01 Jul 2006, 12:19 ]
Asunto: 

No conozco los peces guppy, no soy acuariófilo.

EXPLICACIÓN/SPOILER:
Pero si la probabilidad de nacer macho es igual que la de nacer hembra entonces la probabilidad de tener un macho y una hembra es la mitad.

Las combinaciones son:
macho-hembra
hembra-macho
macho-macho
hembra-hembra

así que hay un 50 % de probabilidades de tener dos diferentes, un 25 % de tenerdos machos y un 25 % de tener ds hembras.

FIN EXPLICACIÓN

gato edita: ten cuidado, no le vayas a jorobar el experimento sociológico dando la respuesta

Autor:  el gato cuantico [ Sab 01 Jul 2006, 12:26 ]
Asunto: 


Autor:  Adama [ Sab 01 Jul 2006, 13:21 ]
Asunto: 


Autor:  Nacho [ Sab 01 Jul 2006, 14:50 ]
Asunto: 

Spoiler

Hmm... Yo he respondido teniendo en cuenta que no importa el orden macho-hembra <-> hembra-macho. Por lo que las probabilidades serían:

Hembra-Hembra
Macho-Macho
Macho-Hembra y Hembra-Macho

Por lo que, estrictamente, la probabilidad de tener una hembra y un macho es 1/3, dado que lo que nos interesa es la probabilidad de que haya una combinación de hembra y macho.


/Spoiler

Salu2

PD.: Jo, como cunden ultimamente los spoiler, no? :P

Autor:  el gato cuantico [ Sab 01 Jul 2006, 15:11 ]
Asunto: 

SPOILER:

veamos, no importa lo que sea el primero de los peces, sino el segundo, así que lo uqe hay que estimar es la probabilidad de que el segundo sea distinto del primero (es deicr, un 50%)

Autor:  chemist [ Sab 01 Jul 2006, 16:07 ]
Asunto: 

Ummmm Nacho repasa tu razonamiento

englobas dos posibilidades distintas en una sola

Autor:  Ganon [ Sab 01 Jul 2006, 18:40 ]
Asunto: 


Autor:  el gato cuantico [ Sab 01 Jul 2006, 19:05 ]
Asunto: 


Autor:  chemist [ Sab 01 Jul 2006, 19:43 ]
Asunto: 

SPOILER

Efictavemente lo que dice Gato es a lo que yo me refiería. Hay 4 posibilidades diferentes macho y hembra o hembra y macho son diferentes. Otra cosa es que ambos sucesos se los considere éxito


El razonamiento de Nacho es como si yo dijera:
Probabilidad de que al lanzar un dado salgo un número par.

Posibilidades
Que salga el 1
Que salga el 3
Que salga el 5
Que salga 2,4 ó 6 (como todos son pares no importa cual sea)
Por lo tanto la posiblidad de que salga par es 1/4

Evidentemente el razonamiento es falso

Autor:  ocularis [ Sab 01 Jul 2006, 23:04 ]
Asunto: 

Sigo con los SPOILER

Se entiende mejor poniendo un ejemplo más extremo: Voy a una discoteca y hay 47 chicos y 1 chica. Se apagan las luces y agarro un brazo al azar para sacar al individuo en cuestión. Sólo hay 2 posibilidades: que sea un chico o una chica. Pero no hay un 50% de que sea chica, ¿no?

Autor:  Caronte [ Sab 01 Jul 2006, 23:10 ]
Asunto: 


Autor:  necropimp [ Dom 02 Jul 2006, 01:10 ]
Asunto: 


Autor:  chemist [ Dom 02 Jul 2006, 01:31 ]
Asunto: 


Autor:  necropimp [ Dom 02 Jul 2006, 11:34 ]
Asunto: 


Autor:  Garvm [ Dom 02 Jul 2006, 16:57 ]
Asunto: 


Autor:  Nacho [ Dom 02 Jul 2006, 21:11 ]
Asunto: 


Autor:  necropimp [ Dom 02 Jul 2006, 21:30 ]
Asunto: 


Autor:  Case [ Dom 02 Jul 2006, 21:35 ]
Asunto: 


Autor:  Adama [ Dom 02 Jul 2006, 21:57 ]
Asunto: 


Autor:  necropimp [ Sab 22 Jul 2006, 20:27 ]
Asunto: 


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