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The number of power outages at a nuclear power plant has a Poisson distribution with a mean of 6 outages per year.The variance of the number of power outages is _____.
Tourism
The activity of traveling to places for pleasure and exploration.
Transnationals
Corporations or enterprises that operate in multiple countries, transcending national borders in their activities, production, and management.
Economic Refugees
Individuals or groups who are forced to leave their home country due to severe economic hardship, in search of a better standard of living elsewhere.
Internal Migrants
People who move within the boundaries of their own country, typically from rural areas to urban centers, in search of better living conditions or employment opportunities.
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