Mathematics: Aplastic bag contains 5 marbles. two of the marbles are red and 3 of the marbles are blue. without looking, what is the probability of pulling out a blue marble and then another blue marble? (assume that you don t put the first blue marble back in the bag) write your answer as a fraction.

Aplastic bag contains 5 marbles. two of the marbles

Ответ:

ariloveshorses

12.03.2022

Mathematics

$|\Omega|=5\cdot4=20\\|A|=3\cdot2=6\\\\P(A)=\dfrac{6}{20}=\dfrac{3}{10}$

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Ответ:

Ganggang62

16.11.2021

Mathematics

5040

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Aplastic bag contains 5 marbles. two of the marbles are red and 3 of the marbles are blue. without looking, what is the probability of pulling out a blue marble and then another blue marble? (assume that you don't put the first blue marble back in the bag) write your answer as a fraction.

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