a. Assume that a bag contains 5 black, 4 blue balls. 2 balls are drawn randomly one after another to note the color only ( repetition is allowed ). What isthe probability that the second ball is black?

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Answered: Assume that a bag contains 5 black,…

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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Suppose we have 2 buckets labeled A and B. Bucket A contains 7 red balls and 2 green balls. Bucket B contains 2 red balls and 10 green balls. a) We randomly select one ball at random from A and one ball at random from B. What is the probability that 2 red balls are selected? Answer in a fraction.b) We randomly select one ball at random from A and one ball at random from B. What is the probability that 1 red ball and 1 green ball are selected?Answer in a fraction. c) We select one ball at random. We are twice as likely to choose that ball fromA as we are to choose it from B. Given that is choose a green ball, what is the probability that the ball came from B? Answer in a fraction.
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Assume that a bag contains 5 black, balls. 2 balis are drawn randomly one after another to hote repetition Is allowed ). What Is the probability that the second ball is black?