2. Suppose that a box initially contains b black balls and w white balls. In each step, we select a uniformly random ball from the box, and then put it back together with a new ball of the same color. Let B, be the event that the nth ball selected from the box is black. Note that P(B1) = b/(b+w). Using the Law of Total Probability, show that P(B2) = b/(b+w) and P(B3) = b/(b+w). (In fact, P(B„) =b/(b+w), for any n> 1. You do not need to show this.)
2. Suppose that a box initially contains b black balls and w white balls. In each step, we select a uniformly random ball from the box, and then put it back together with a new ball of the same color. Let B, be the event that the nth ball selected from the box is black. Note that P(B1) = b/(b+w). Using the Law of Total Probability, show that P(B2) = b/(b+w) and P(B3) = b/(b+w). (In fact, P(B„) =b/(b+w), for any n> 1. You do not need to show this.)
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 31E
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