S19300598 S19300598

20-03-2019
Mathematics

contestada

100 students were surveyed. Of those surveyed, 60% said they had a sister. Of that group, 30% also had a brother. Of the students who did not have a sister, 50% had a brother.

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20-03-2019

What is the question? Is it is a true or false this is a true.

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