The pie chart below summarizes the sources of energy in the…
The pie chart below summarizes the sources of energy in the United States and their corresponding percentages: How many variables are summarized in this pie chart? What percentage of the sources of energy in the United States are from either Renewable Energy or Nuclear? What percentage of the sources of energy in the United States are other than Coal? If 1000 sources of energy were randomly chosen, what is the expected number from Petroleum?