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[statistic]: Two-way tables 본문

Machine Learning/Math & Stats

[statistic]: Two-way tables

Alex_Rose 2017. 10. 19. 10:42

round your answers to the nearest hundredth:   백 자리에서 반올림

0.224 면 0.22

0.776 이면 0.78





The following two-way table of column relative frequencies shows data on the 2012 US senate election and incumbents (senators that held the office before the election). Out of all the election participants, 23 were incumbents.


 

Incumbents 

Non-incumbents 

Won 

0.957 

0.333 

Lost 

0.043 

0.667 

Column Total 

1.00 

1.00 


How many incumbents lost their re-election race?



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