Chool Practice & Problem Solving
6.1.PS-13
5 Quetion Help
A bag contains 8 red marbles and 16 blue marbles. If a representative sample contains 3 red
marbles, then how many blue marbles would you expect it to contain? Explain.
Because the ratio of red marbles to blue marbles is 21 in the population, the expecteğ number of
blue marbles is 2 times the number of red marbles in the representative sample. There should be
3 blue marbles.