The Energy Information Administration reported the following sources of electricity in the United States in 2008:
SourceNet Electricity Generation
of Electricity(millions of megawatt-hours)
Coal...................................................1,994.4
Hydroelectric...........................................248.1
Natural gas.............................................876.9
Nuclear...................................................806.2
Other....................................................184.7
a. Compute the percentage of values in each category.
b. What conclusions can you reach concerning the sources of electricity in the United States in 2008?