The same poll gives Arab parties a total of 13 seats, representing about 20% of Israel's Arab population
One source
What the source said
Um Dia no Mundo (Antena 1)O "vale tudo" na luta eleitoral em Israel
“ao atribuir 13 deputados a esses partidos árabes, os coloca como fazedores de maioria absoluta. Os partidos árabes representam cerca de 20 % da população árabe”
Machine translation: by assigning 13 deputies to these Arab parties, it places them as makers of an absolute majority. Arab parties represent about 20% of the Arab population
Listen from 1:23Reported by one source so far. It is confirmed when a second, independent source reports the same thing.