Mathematics, 08.11.2021 09:00 grandpianograce

A recent survey found that 80 % of all adults over 50 wear glasses for driving. In a random sample of 20 adults over 50, what is the mean and standard deviation of those that wear glasses? Round the answers to the nearest hundredth.

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A recent survey found that 80 % of all adults over 50 wear glasses for driving. In a random sample o...

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