Foro de Matemáticas

jesperbraz · Registrado: 23 Dic 2011 Mensajes: 3

Se lanzan dos dados hasta que sale un doble (1.1,…,6-6).
a) Halla la función de probabilidad del número de veces que hay que tirar los dados.
b) ¿Cuál es la probabilidad de que sea necesario tirar los dados más de 10 veces para sacar un doble?

wnvl · Registrado: 29 Feb 2012 Mensajes: 6

P(un doble)=1/6

$función de probabilidad(n)= \displaystyle \left(\frac{5}{6}\right)^{n-1}\cdot\frac{1}{6}$

judy9146 · Registrado: 07 Ago 2012 Mensajes: 958 Votos: 1

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