There is a bag filled with 4 blue, 3 red and 5 green marbles. A marble is taken at random from the bag, the colour is noted and then it is replaced. Another marble is taken at random. What is the probability

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asked Mar 18, 2023 150k views

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There is a bag filled with 4 blue, 3 red and 5 green marbles.

A marble is taken at random from the bag, the colour is noted and then it is replaced.
Another marble is taken at random.
What is the probability of getting 2 greens?

Mathematics
high-school

Graham Lee asked

by Graham Lee

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1 Answer

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$|\Omega|=12^2=144\\|A|=5^2=25\\\\P(A)=(25)/(144)\approx17.4\%$

Chrxr answered Mar 22, 2023

by Chrxr

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