Mathematics, 06.05.2021 21:30 rwlockwood1

A bag contains 7 blue marbles and 21 white marbles. If a representative sample contains 3 blue marbles, then how many white marbles would you expect it to
contain? Explain.
Because the ratio of blue marbles to white marbles is 7:3 in the population, the
expected number of white marbles is times the number of blue marbles in the
representative sample. There should be white marbles.

A bag contains 7 blue marbles and 21 white marbles. If a representative sample

contains 3 blue ma

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A bag contains 7 blue marbles and 21 white marbles. If a representative sample contains 3 blue mar...