Foro de Matemáticas

juanjosanv · Registrado: 30 Ene 2012 Mensajes: 1

Hola saludos. Ocupo ayuda con el siguiente problema:

El interes se enfoca en la naturaleza de un horno que se compra en una tienda por departamentos especifica. Puede ser de gas o electrico. Considere la decision tomada por 6 clientes distintos.

a) Suponga que la probabilidad de que a lo mas 2 de esos individuos compren un horno electrico es de 0.4. Cual es la probabilidad de que al menos 3 compren un horno electrico?

b) Suponga que la probabilidad de que los 6 compren un horno electrico es 0.007, mientras que 0.104 es la probabilidad de que los 6 compren horno de gas. Cual seria la probabilidad de que al menos se compre un horno de cada tipo?

Porfavor ayuda!!! Estare eternamente agradecido con el que me ayude con esto!!!

wnvl · Registrado: 29 Feb 2012 Mensajes: 6

p = probabilidad cliente compra un horno electrico

P(a lo mas 2 clientes compran un horno electrico)
=P(0 clientes compran un horno electrico)+P(1 clientes compran un horno electrico)+P(2 clientes compran un horno electrico)
=(1-p)^6+6p(1-p)^5+15p^2(1-p)^4=0,5

ahora puedes calcolar p

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