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vampirchik [111]
2 years ago
15

It is generally believed that nearsightedness affects about ​% of children in a certain region. a school district tests the visi

on of incoming kindergarten children. how many would be expected to be​ nearsighted? what is the standard deviation for the number of nearsighted children in this​ group?
SAT
1 answer:
Tom [10]2 years ago
7 0
What region is the question talking about?
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