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?