31.   The poll had an error margin of four percentage points.

32.   The stations did not give sample sizes or an error margins.

33.   Five hundred people were questioned for the poll, which had an error margin of four percent.

34.   The poll has an error margin of four percent.

35.   The poll, which has an error margin of four percent, summed up the mixed feelings at looking so far ahead at the Winter Games.

36.   The poll has an error margin of plus or minus three percent.

37.   The survey had an error margin of three percent, the Nablus-based centre said.

38.   The results have an error margin of three percentage points.

39.   The survey had a four percent error margin.

40.   The survey had an error margin of three percent.