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4 years ago

You randomly draw a marble that contains 3 blue marbles, 4 green marbles, and 5 red marbles.

1 answer:

7 0

In cases like this, i.e. when you could pick every marble with the same probability, you compute the probability of picking a specific marble colour by dividing the number of favourable outcomes by the total number of outcomes.

The number of favourable outcomes is 3, because there are 3 blue marbles.

The total number of outcomes is 12, because there are 12 marbles in total.

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4 years ago

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