Write an equation to model the sum of the situation below. A hydrogen atom has a zero charge because it has one negatively charged electron and one positively charged proton.

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