Electricity in a certain country is generated from many sources. The following table gives the sources as well as their shares in the production of electricity. Source Coal Nuclear Natural gas Hydropower Oil Other Share (%) 50.0 19.3 18.9 6.1 3.0 2.7 If a source for generating electricity is picked at random, what is the probability that it comes from the following? (a) coal or natural gas (b) nonnuclear sources

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Electricity in a certain country is generated from many sources. The following table gives the sources as well as their shares in the production of electricity.
Source
Coal
Nuclear
Natural gas
Hydropower
Oil
Other
Share (%)
50.0
19.3
18.9
6.1
3.0
2.7
If a source for generating electricity is picked at random, what is the probability that it comes from the following?
(a) coal or natural gas
(b) nonnuclear sources
Transcribed Image Text:Electricity in a certain country is generated from many sources. The following table gives the sources as well as their shares in the production of electricity. Source Coal Nuclear Natural gas Hydropower Oil Other Share (%) 50.0 19.3 18.9 6.1 3.0 2.7 If a source for generating electricity is picked at random, what is the probability that it comes from the following? (a) coal or natural gas (b) nonnuclear sources
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