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Believed that nearsightedness affects

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Vision. It is generally believed that nearsightedness affects about 12% of all children. A school district tests the vision of 169 incoming kindergarten children. How many would you expect to be nearsighted? With what standard deviation?

Reference no: EM131748112

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Believed that nearsightedness affects : It is generally believed that nearsightedness affects about 12% of all children. A school district tests the vision of 169 incoming kindergarten children.
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