SOLUTION: I know this problem was asked before but I cannot figure out the work that goes with it to get the answer. A breakdown of the sources of energy used in the United States is shown

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Question 1136920: I know this problem was asked before but I cannot figure out the work that goes with it to get the answer.
A breakdown of the sources of energy used in the United States is shown below. Choose one energy source at random. Find the probability that it is:
a) Not oil
b) Natural gas or oil
c) nuclear
Oil: 39%
Natural Gas: 24%
Coal: 23%
Nuclear: 8%
Hydropower: 3%
Other: 3%

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

a. Not oil
b. Natural gas or oil
c. Nuclear P(nuclear)
Oil 39%
Natural gas 24%
Coal 23%
Nuclear 8%
Hydropower 3%
Other 3%

a. Not oil.... => P%28not_+oil%29+=+1+-+P%28oil%29+=+1+-+.39+=+.61
b. Natural gas or oil =>P%28natural_+gas_+or_+oil%29+=+.63
c. Nuclear =>P%28nuclear%29+=+.8+