OK, so it really is a tiny minority of extremists -- just 19%. From [1] AP, :

Preliminary results in Egypt's elections Thursday gave the leading opposition group, the Muslim Brotherhood, a record 19 percent of parliament, with the ruling party and its allies holding an overwhelming majority after a four-week election with unprecedented political violence.

The results leaked by an official in the Interior Ministry, which oversaw the election, came a day after no fewer than eight people were killed as police battled to stop voters reaching polling stations in Muslim Brotherhood strongholds....