Problem 2: Urn A contains 10 balls numbered 1-10. Urn B contains 1000 balls numbered1-1000. Your friend picks a ball at random from one of the urns (but you don't know which). Theball she picks has the number 5 on it. What is the probability that the ball was drawn from UrnA?

Answered: Image /qna-images/answer/a76cbb70-1d33-4b9a-b76e-6f1d73afa7b1.jpg

Answered: Problem 2: Urn A contains 10 balls…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Problem 2: Urn A contains 10 balls numbered 1-10. Urn B contains 1000 balls numbered 1-1000. Your friend picks a ball at random from one of the urns (but you don't know which). The ball she picks has the number 5 on it. What is the probability that the ball was drawn from Urn A?