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Posted by on Thursday, March 29, 2012 at 3:09pm.

A recent survey found that 72% of all adults over 50 wear glasses for driving. In a random sample of 100 adults over 50, what is the mean and standard deviation of the numbe who wear glasses?

  • Statistics - , Sunday, April 27, 2014 at 8:08am

    Gdyd

  • Statistics - , Saturday, November 22, 2014 at 11:37am

    mean: 72; standard deviation: 8.49

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