The concept of probablity developed in a very strange maaner .In1654,a Gambler Chevalier de mere , approach the well known 17th century french philosophers and mathematician blasie Pascal regarding certain dice problem Pascal became interested in these problem studied them and discuss them with another french mathematician , Pierre de fermate . Both Pascal and fermate solved the problem independently . This work was the beginning of probablity theory blasie Pascal born in 1623and death 1662 and Pierre de fermate born in 1601and death1665