The area, a, of an ellipse can be determined using the formula a=xy, where x and y are the half length of the largest and smallest diameter of the ellipse. which is an equivalent equations solved for y?

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