In February 2002, the associated press published some results of a survey conducted on British residents by YouGov.com. Only 30% wanted to seee the monarchy abolished, but 70% felt it should become...

In February 2002, the associated press published some results of a survey conducted on British residents by YouGov.com. Only 30% wanted to seee the monarchy abolished, but 70% felt it should become more democratic and approachable.
a) are these point estimates or interval estimates?

b) is the information given here sufficient to allow you to construct confidence indercals? Why or why not?