Question
what percentage of the jews did not follow Moses out of egypt and what happened to them? do we know who they are and are they still considered to be jewish?

Question
what can be considered the first incident/s of antisemitic, or shall we say antiJewish act or/and demonstration of hatred towords Jewish ideas and way of life? Is it right to assum that haterd towords the Jewish phylosophy of life precedes the emergens of Jews as a nation or as individual?