\[ \begin{aligned} \text{MoE} &= 1.96 \cdot \text{SE} = 1.96 \cdot \sqrt{\frac{\widehat{p}(1-\widehat{p})}{n}} = 1.96 \cdot \sqrt{\frac{0.41(1-0.41)}{2089}} \\ &= 1.96 \cdot 0.0108 = 0.021 = 2.1\% \end{aligned} \]