grandes-ecoles 2019 Q12

grandes-ecoles · France · centrale-maths1__psi Discrete Probability Distributions Deriving or Identifying a Probability Distribution from a Random Process

We consider a balanced urn with $a_{0} = 1, b_{0} = 0, a = d = 0$ and $b = c = 1$. In other words, the urn initially contains one white ball and, at each draw, we add a ball of the opposite color to the one that was drawn.
By listing all possible outcomes, give the distribution of $X_{3}$.

We consider a balanced urn with $a_{0} = 1, b_{0} = 0, a = d = 0$ and $b = c = 1$. In other words, the urn initially contains one white ball and, at each draw, we add a ball of the opposite color to the one that was drawn.

By listing all possible outcomes, give the distribution of $X_{3}$.

Paper Questions

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