1. A highway bridge is designed to pass through a river discharge with a recurrent interval of 50 years without overtopping the roadway. a) Compute the probability that the bridge will be overtopped at least once during the next 10 years. b) Compute the probability that the bridge will be overtopped exactly one time during the next 10 years. c) Compute the probability that the bridge will be overtopped in 2 of the next 50 years.

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