Ce sera surement plus clair.
[tex]3.92* \dfrac{ \sqrt{0.97*0.03} }{ \sqrt{n} } \ \textless \ 0.01\\\\
3.92* \dfrac{ \sqrt{0,0291} }{ \sqrt{n} } \ \textless \ 0.01\\\\
3.92* \sqrt{0,0291} \ \textless \ 0.01* \sqrt{n} \\\\
3.92* \dfrac{ \sqrt{0,0291} }{ 0.01 } \ \textless \ \sqrt{n}\\\\
66,870190668189364749247555869043...\ \textless \ \ \ \sqrt{n}\\\\
4471,6224\ \textless \ n\\\\
n\ \textgreater \ 4471,6224
[/tex]