Compared to the annual rainfall from 1981-2008, the 309.36 mm of rainfall in Getafe, Spain (near Madrid) in 2009 was more than 42.07% of the previous 28 years, but the 463.04 mm of rainfall in 2010 was more rainfall than 91.92% of those years.
A-Calculate the amount of rainfall needed in 2011 season to maintain the average established from 1981-2008.
B-Getafe received 293.08 mm of rain in 2011. Calculate the percentile to accurately complete the statement below:
2011 saw more rainfall than ______% of the years from 1981-2008.
C- Find the average annual rainfall from 1981 to 2011 to the nearest hundredth of a millimeter.
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