Answer:
the margin of error is 0.029
Explanation:
The computation of the margin of error is as follows;
Point estimate = sample proportion
= x ÷ n = 672 ÷ 1019 = 0.659
Now
= 1 -

= 1 - 0.659
= 0.341
= Z_0.025 = 1.96
Now
a) Margin of error = E is

Hence, the margin of error is 0.029