HOMEWORK SET 3

Probability

 

1.      What is the probability of a 20-year storm being equaled or exceeded in any given year?

 

2.      There are 1,000 state bridges over streams in no-name County.  If all bridges (when designed) are checked for overtopping using the 100-year storm, how many bridges in the county can be expected to flood each year?

 

3.      What is the probability of a 500-year flood occurring on the Mississippi River within your lifetime (90 years)?