Question

Shekar is one member of a group of 5 persons. if 3 out of these 5 persons is to be vhosen for a committee,find the probability of shekar being in the committee

Answer 1

P(3 Person) = 3C1                        ____                           5C3
3C1 = 35C3 = 5*4*2           20            ____  =      ___            1*2*3            3
P = 3              3*3     ___   =   _____   =   9 / 20    20/3           20