Math 101 Written Homework #5 (Section 7.1 -7.2) Name: V Instructions: Complete the following problems showing all your work for full credit. 1. The following table gives the major U.S. energy sources in 2014 and the share of the total electricity generated by each: Percent of Total Source Electricity Generated Coal Natural gas Nuclear Hydropower Wind and solar + 9 Other "Includes other gases, biomass, geothermal. and petroleum. a. If an energy source for the generation of electricity is selected at random, what is the probability that it is coal or natural gas? (Be sure to show your work.) Answer : b. If an energy source for the generation of electricity is selected at random, what is the probability that it is a source other than hydropower or wind and solar? (Be sure to show your work.)