Question

Calculati media ponderata a nr. 1supra2 si 1supra3 cu ponderile 4 si 6.
3 supra20; 1supra5; 1 si 3 cu ponderile 4,2,3 si 5 Va roooog,e urgent!!!

Answer 1

$Map=\frac{ a_{1}* p_{1} *.......* a_{n} * p_{n} }{ p_{1}+ p_{2}+....+ p_{n} }$

ex1.
Map=$\frac{ \frac{1}{2}* 4+ \frac{1}{3}*6 }{4+6} = \frac{2+2}{10}= \frac{4}{10} / :2 = \frac{2}{5}$