A box contains 3 red and 4 blue marbles. Two marbles are drawn one at a time, without replacement. Use a probability tree to answer the following questions. а. Find the probability that both marbles drawn are red. b. Find the probability that the first marble drawn was blue, given that the second was red.

A box contains 3 red and 4 blue marbles. Two marbles are drawn one at a time, without replacement. Use a probability tree to answer the following questions. а. Find the probability that both marbles drawn are red. b. Find the probability that the first marble drawn was blue, given that the second was red.

Name: please help. A box contains 3 red and 4 blue marbles. Two marbles are
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Description: please help. A box contains 3 red and 4 blue marbles. Two marbles are drawn one at a time, withoutreplacement. Use a probability tree to answer the following questions.а.Find the probability that both marbles drawn are red.b. Find the probability tha

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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please help.

A box contains 3 red and 4 blue marbles. Two marbles are drawn one at a time, without
replacement. Use a probability tree to answer the following questions.
а.
Find the probability that both marbles drawn are red.
b. Find the probability that the first marble drawn was blue, given that the second was red.

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