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Back to 2.3 Problems on Minterm Analysis

2.3 Exercise 17

Avg difficulty 2.5

An automobile safety inspection station found that in 1000 cars tested:

  1. 100 needed wheel alignment, brake repair, and headlight adjustment
  2. 325 needed at least two of these three items
  3. 125 needed headlight and brake work
  4. 550 needed at wheel alignment

  1. How many needed only wheel alignment?
  2. How many who do not need wheel alignment need one or none of the other items?

Pfeiffer, Applied Probability, 2.3 Problems on Minterm Analysis, exercise 17

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Adapted from Applied Probability © 2009 Paul E. Pfeiffer. Licensed under CC BY 3.0. Source: Applied Probability. Imported at revision d7a0420.