Question

A bag contains 5 orange marbles and 30 white marbles. If a representative sample contains 3 orange ​marbles, then how many white marbles would you expect it to​ contain? Explain.
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Part 1
Because the ratio of orange marbles to white marbles is
▼
5:6
6:1
6:5
1:6
in the​ population, the expected number of white marbles is
  
enter your response here times the number of orange marbles in the representative sample. There should be
  
enter your response here white marbles.

Answer 1

Because the ratio of orange marbles to white marbles is 1:6 in the population, the expected number of white marbles is 6 times the number of orange marbles in the representative sample. There should be 6 × 3 = 18 white marbles.