Environmental Control The Environmental ProtectionAgency (EPA) determines that Maple Lake has 250 tonsof pollutant as a result of industrial waste and that 10% ofthe pollutant present is neutralized by solar oxidation everyyear. The EPA imposes new pollution control laws thatresult in 15 tons of new pollutant entering the lake each year.The amount of pollutant in the lake after n years is given bythe recursively defined sequencep0 = 250 pn = 0.9pn-1 + 15Determine the amount of pollutant in the lake after 2 years.That is, determine p2 .

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.