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A recent survey found that 60% of all adults over 50 wear sunglasses for driving. in a random sample of 20 adults over 50, what is the mean and standard deviation of those that wear sunglasses?
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A recent survey found that 60% of all adults over 50 wear sunglasses for driving. in a random sample of 20 adults over 50, what is the mean and standard deviation of those that wear sunglasses?

User Jithin Palepu
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1 Answer

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mean: 13.8 standard deviation:2.06833266
User Karl Giesing
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