Mathematics, 10.03.2021 01:00 shines0

A bag contains 7 orange marbles and 21 red marbles. If a representative sample contains 3 orange marbles, then how many red marbles would you expect it to contain?

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A bag contains 7 orange marbles and 21 red marbles. If a representative sample contains 3 orange ma...

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A bag contains 7 orange marbles and 21 red marbles. If a representative sample contains 3 orange ​marbles, then how many red marbles would you expect it to​ contain?

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A bag contains 7 orange marbles and 21 red marbles. If a representative sample contains 3 orange marbles, then how many red marbles would you expect it to contain?