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Vision Correction A survey sponsored by the Vision Council showed that 79% of adults need correction (eyeglasses, contacts, surgery, etc.) for their eyesight. If 20 adults are randomly selected, find the probability that at least 19 of them need correction for their eyesight. Is 19 a significantly high number of adults requiring eyesight correction?

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Algebra and Trigonometry (MindTap Course List)
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ISBN: 9781305071742
Author: James Stewart, Lothar Redlin, Saleem Watson
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