There are 30 red marbles and 10 black marbles in Urn #1. You have 20 red and 20 Black marbles in Urn #2. Randomly you pull a marble from the random urn and find that it is red. What is the probability

asked Dec 4, 2021 18.1k views

1 vote

by Ioko

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3 votes

If there is 20 red marbles and 20 black marbles there is a 50/50 chance to get either one

Econgineer answered Dec 10, 2021

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