Question 9

Scenario: A concrete beam may fail either by shear or flexure.

Events:

  • - A beam fails by shear.
  • - A beam fails by flexure.

Problem: Suppose that three failed beams are randomly selected and the type of failure is determined for each one. Let be the number of beams among the three selected that failed by shear. List each outcome in the sample space along with the associated value of .

  1. .
  2. .
  3. .
  4. .
  5. .
  6. .
  7. .
  8. .

Process: ...

Answer: