Mathematics, 01.05.2021 03:50 malacath3394

A large school district claims that 80% of the children are from low-income families. 150 children from the district are chosen to participate in a community project. Of the 150 only 70% 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. 150 children f...