There is a bag filled with 3 blue and 4 red marbles. A marble is taken at random from the bag, the colour is noted and then it is not replaced. Another marble is taken at random. What is the probability

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Susannah Potts asked Aug 8, 2023

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

A marble is taken at random from the bag, the colour is noted and then it is not replaced.
Another marble is taken at random.
What is the probability of getting at least 1 red?

Mathematics
high-school

Susannah Potts asked Aug 8, 2023

by Susannah Potts

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1 Answer

23 votes

Answer:

18/42 or 3/7

Explanation:

Hokkyokusei answered Aug 13, 2023

by Hokkyokusei

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