Select a series of object base on probability in unity3d

Consider you want to select an object from a collection. You may want to
select base on probability.
For example you have an array of object .  {A , B ,C} , and you want to
assign probability to each of them ,
A - 30%
B - 60&
C - 10%

Then select an object by these values , This can be done
by using Probability class like this .
var randomObject = Probability.Random(objectCollection).

for more details see the example project.
Revert "Select a series of object base on probability in unity3d"

This reverts commit 602fa539b3c5fff2abc6752bbd61f08e6f0ee746.