What percentage of workers spend more than 100 hours on the, Ask an Expert

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Mean = 77 hours
Standard deviation = 20 hours

What percentage of workers spend more than 100 hours on the internet?

A person is classified as a heavy user if he or she is in the upper 20% of usage. how many hours did a worker have to be logged on to the internet to be considered a heavy user?

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Statistics and Probability, Statistics

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