Gabriela Schulte It has a margin of error of plus or minus 2.25 percentage points. Go deeper: Biden continues to get good marks on handling the coronavirus. The margin of sampling error is 2.8 percentage points at the 95% confidence level, for results based on the entire sample of adults.
The medicine in the poll has an accuracy of less than half (less than mum).
( z0 accurate :quant ( z1 less-than :ARG1-of ( z2 mean :ARG2 ( z3 less :quant-of ( z4 mum ) ) ) :op ( z5 times :quant 0.5 ) ) :domain ( z6 medicine :location ( z7 poll ) ) )
(z0 / accurate
    :quant (z1 / less-than
               :ARG1-of (z2 / mean-01
                            :ARG2 (z3 / less
                                      :quant-of (z4 / mum)))
               :op1 (z5 / times
                        :quant 0.5))
    :domain (z6 / medicine
                :location (z7 / poll-01)))
The medicine in the poll has an accuracy of less than half ( less than mum ) .
z6 :location z7
z0 :domain z6
z0 :quant z1
z1 :op1 z5
z5 :quant 0
z1 :ARG1-of z2
z2 :ARG2 z3
z3 :quant-of z4