Question

. A temporary cofferdam is being designed to protect a 5-yr construction project from the 25-yr...

. A temporary cofferdam is being designed to protect a 5-yr construction project from the 25-yr flood. What is the probability that the cofferdam will be overtopped?

  1. At least once during the 5-yr project
  2. Not at all during the project
  3. In any one year
  4. exactly 2 times in 5 years
  5. In the 5th year only
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