Posted by **Anonymous** on Tuesday, March 8, 2011 at 7:44pm.

A recent survey found that 63% of all adults over 50 wear glasses for driving. In a random sample of 80 adults over 50, what is the mean and standard deviation of those that wear glasses?

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March 23, 2017
Posted by **Anonymous** on Tuesday, March 8, 2011 at 7:44pm.

A recent survey found that 63% of all adults over 50 wear glasses for driving. In a random sample of 80 adults over 50, what is the mean and standard deviation of those that wear glasses?

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