Raspuns : prun mersul invers dublu unui numar a fost micsorat cu10 apoi inmultit cu 6.produsul obtinut ,fiind marit cu5,a fost impartit la 8 si sa obtinut 22.care a fost numarul initial

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample