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05-03-2021
Mathematics

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A bag contains 10 marbles: 4 are green, 2 are red, and 4 are blue. Chris chooses a marble at random, and without putting it back, chooses another one at random. What is the probability that both marbles he chooses are blue? Write your answer as a fraction in simplest form.

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05-03-2021

Answer:

Step-by-step explanation:

P(BB)=(4/10)(3/9)

P(BB)=12/90

P(BB)=2/15

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