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Exercise 12

Avg difficulty 2.5

The following table shows the utility patents granted for a specific year.

CorporationGovernmentIndividualTotal
United States45%2%8%55%
Foreign41%1%3%45%
Total86%11%3%100%
  1. What is the probability that a patent is foreign and from the government?

  2. What is the probability that a patent is from the U.S. and from a corporation?

  3. What is the probability that a patent is foreign or from the government?

  4. What is the probability that a patent is from the U.S. given it is from an individual?

  5. What is the probability that a patent is foreign given it is from the government?

Lee et al., Math in Society, §4.1 Contingency Tables, Exercise 12

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