Mathematics
Mathematics, 25.02.2021 17:30, ej02duncan1

A bag contains red and blue marbles. In a representative sample of 10 marbles, there are 5 red marbles. If the bag has 180 marbles, predict the number of red marbles in the bag.
red marbles !!!

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A bag contains red and blue marbles. In a representative sample of 10 marbles, there are 5 red marb...

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