A bag contains 6 yellow marbles and 30 green marbles. If a representative sample contains 3 yellow marbles, then how many green marbles would you expect it to contain? Explain.

Because the ratio of yellow marbles to green marbles is

▼

5:1

6:5

1:5

5:6

in the population, the expected number of green marbles is

nothing times the number of yellow marbles in the representative sample. There should be

nothing green marbles.