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A bag contains 7 orange marbles and 21 red marbles. If a representative sample contains 3 orange ​marbles, then how many red marbles would you expect it to​ contain?

A bag contains 7 orange marbles and 21 red marbles. If a representative sample contains 3 orange ​marbles, then how many red marbles would you expect it to​ contain?
asked 38.9k views
20 votes
A bag contains 7 orange marbles and 21 red marbles. If a representative sample contains 3 orange ​marbles, then how many red marbles would you expect it to​ contain?

asked
User Signalseeker
by
8.4k points

2 Answers

3 votes
The answer has to be 9
answered
User Sorana
by
8.1k points
9 votes

Answer:

9

Explanation:

answered
User Vinayak Sakhare
by
8.5k points
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