Geometry please help me need to finish!
posted by need help .
1.Who was Blaise Pascal and how did he help start the study of probability?
2.Who was Pierre de Fermat and how did he help start the study of probability?
3.What was the relationship between Blaise Pascal and Pierre de Fermat and what were they studying when they began writing about probability ?
4.What is the probability that a certain event is going to happen?What is the probability that a certain event is going to happen?

http://en.wikipedia.org/wiki/Blaise_Pascal
http://en.wikipedia.org/wiki/Pierre_de_Fermat 
can you please help me write a summary for these questions like 2 sentences

Jiskha tutors help students, but we don't do your work for you.
Read those articles and write your own summaries.