Table:
text: United States Senate election in California, 2010
General election
Polling
Poll_source Dates_administered Sample_size Margin_of_error Barbara_Boxer_D Carly_Fiorina_R Other Undecided
Rasmussen Reports (report) October 13, 2010 750 ± 4.0% 49% 46% 2% 3%
Angus Reid Public Opinion (report) October 6, 2010 501 ± 4.5% 55% 39% 6% —
Rasmussen Reports (report) October 3, 2010 750 ± 4.0% 49% 45% 2% 5%
USC poll report September 27, 2010 1003 — 39% 34% — 23%
PPIC report September 19–26, 2010 1104 ± 3% 42% 35% 6% 17%
CNN/Time/Opinion Research Corporation (report) September 24–28, 2010 786 ± 3.5% 52% 43% 3% 2%
Survey USA (report) September 19–21, 2010 610 ± 4.0% 49% 43% 6% 2%
Rasmussen Reports (report) September 20, 2010 750 ± 4.0% 47% 43% 4% 6%

Question: What is the percentage for others if the margin of error is ± 3%?