bribri53 bribri53

29-03-2017
Mathematics

contestada

a bag contains 50 marbles 10 of which are blue 8 are red 20 are green and 12 are purple marcie takes a marble out of the bag records the color and returns it to the bag how many red marbles should she expect after 500 trials

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ryder22webb ryder22webb

29-03-2017

80 red marbles are expected

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