A bag contains 8 red marbles and 40 blue marbles. If a representative sample contains 2 red
marbles, then how many blue marbles would you expect it to contain? Explain.
Because the ratio of red marbles to blue marbles is in the population, the expected number of
blue marbles is times the number of red marbles in the representative sample. There should be
blue marbles.
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Home » Mathematics » A bag contains 8 red marbles and 40 blue marbles. If a representative sample contains 2 red marbles, then how many blue marbles would you expect it to contain? Explain.