Mathematics, 27.02.2020 00:19 battagliak14

A large school district claims that 80% of the children are from low-income families. 200 children from the district are chosen to participate in a community project. Of the 200 only 74% are from low-income families. The children were supposed to be randomly selected. Do you think they really were?

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A large school district claims that 80% of the children are from low-income families. 200 children f...