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A recent study showed that​ 82% of adults need corrective​ glasses, contacts, or surgery. ​a) If 20 adults are randomly​

Posted: Wed May 11, 2022 9:28 am
by answerhappygod
A recent study showed that​ 82% of adults need
corrective​ glasses, contacts, or surgery.
​a) If 20 adults are randomly​ selected, what is the
probability that at least 16 of them need correction
      for their eyesight.  
​b) What type of distribution is​ this? State the mean and
standard deviation