2013         2015         2017 Democrat.     21               20            1 Republican.    8                15           13     Choose one of these Senators at random and find a. P(Democrat and term expires in 2015) b. P(Republican or term expires in 2013) c. P(Republican given term expires in 2017) Are the events “Republican” and “term expires in 2015” independent? Explain.

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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.