You have an urn which contains one white and one black ball. At each second you pick a ball at random from the urn. You observe its color, return the ball into the urn, and add one more ball of the same color. What is the probability that if 15 balls are in the urn, all of them are black?

You have an urn which contains one white and one black ball. At each second you pick a ball at random from the urn. You observe its color, return the ball into the urn, and add one more ball of the same color. What is the probability that if 15 balls are in the urn, all of them are black?

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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You have an urn which contains one white and one black ball. At each second you pick a ball at random from the urn. You observe its color, return the ball into the urn, and add one more ball of the
same color. What is the probability that if 15 balls are in the urn, all of them are black?

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