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Mathematics, 25.02.2020 00:06 foriegnngal

Recent survey found that 71% of all adults over 50 wear glasses for driving. In a random sample of 30 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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Recent survey found that 71% of all adults over 50 wear glasses for driving. In a random sample of 3...
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