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A survey found that 81% of adults need correction for their eyesight. If 10 adults are randomly selected, what is the standard deviation of adults

A survey found that 81% of adults need correction for their eyesight. If 10 adults are randomly selected, what is the standard deviation of adults who will need their eyesight corrected.

  1. 2.369
  2. 2.846
  3. 1.241
  4. 1.539

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