How to generate random 0 and 1 with 80-20 probability in sql server

I have a Table with 10 records, I have a column (name:RandomNumber) ,that its data type is bit . now I want to insert data in to this column randomly in such a way that 80 percent of record (8 record) get 0 randomly and 20 percent (2 record) get 1.

For Example Like this:

Id	RandomNumber
1	0
2	0
3	0
4	1
5	0
6	0
7	0
8	1
9	0
10	0