Introduction to Probability · Problem 4.3.4

Distributions and Densities — Grinstead & Snell

Mathematics — Probability · conditional-probability-paradoxes

Problem

Using the notation introduced in Example 4.29, show that in the example of Brams and Kilgour, if

x

is a positive power of 2, then

\frac{p_{x/2}}{p_{x/2} + p_x} = \frac{3}{5}.