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GrogVix [38]
2 years ago
8

A bag contains 5 yellow marbles and 10 blue marbles. If a representative sample contains 2 yellow ​marbles, then how many blue m

arbles would you expect it to​ contain? Explain. Because the ratio of yellow marbles to blue marbles is blank in the​ population, the expected number of blue marbles is blank times the number of yellow marbles in the representative sample. There should be blank blue marbles.
Mathematics
2 answers:
Komok [63]2 years ago
5 0

Answer:

4

Step-by-step explanation:

Dmitry [639]2 years ago
4 0

Answer:

There will be 4 blue marbles

Step-by-step explanation:

Yellow to blue marbles is in a ratio of:

5:10

the representative sample is:

2:x

simplee cross multiplication can be aplied

5x = 2*10

5x = 20

divide both sides by 5

x = 4

there should be four blue marbles

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