nikithakandeepan47 nikithakandeepan47

14-06-2022
Mathematics

contestada

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?

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konrad509 konrad509

14-06-2022

[tex]|\Omega|=12^2=144\\|A|=5^2=25\\\\P(A)=\dfrac{25}{144}\approx17.4\%[/tex]

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