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15 August, 08:30

When Jeremy surveyed thirty 7th-grade students at the community pool, he found that 2/15 had not read at least one book during July. He knows there are about 200 7th-grade students in his community, so he infers that about 40 of them did not read any books in July. Is that a good inference? Explain.

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  1. 15 August, 09:00
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    No. 40/200 = 1/5

    2/15 = 1/7.5

    So I would say that it is not that good of a reference. You may find a way to explain it yourself though.
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