In 2003 there were 129 142 000 workers in the United States
In 2003, there were 129,142,000 workers in the United States The general manager for a public transportation company wanted to learn more about how workers commute to work and how long it takes them. A random sample of workers was interviewed. Each reported how he or she typically gets to work and how long it takes. Estimate with 95% confidence the total amount of time spent commuting.

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