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MathematicsMathematics
8 December, 19:58

There is a bag filled with 4 blue and 5 red 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 reds?

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  1. 8 December, 20:19
    0
    25

    /81

    Step-by-step explanation:

    5/9 marbles are red

    5/9 is the chance for getting one marble. However, twice, you need to multiply it by itself.

    The answer is 25/81
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Home » Mathematics » There is a bag filled with 4 blue and 5 red 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 reds?
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