4- The design life of a levee system is 50 years. (A) What is the probability that this system will fail during its design life if the levees were designed

to protect against flooding from the 500-year return period storm? (4 pts) (B) What is the probability that this system will not fail during its design life if the levees were designed to protect against flooding from the 500-year return period storm? (2 pts) (C) What is the probability that the levees will fail in any given year? (4 pts) (D) Do you think this level of protection (against 500-year storm event) is sufficient for design of this levee? Why? (2 pts)