Joelle is working on a school report in a word processor. she wants to place a figure which is 13.09 cm wide so it apperars centerd to the page. the width of the page is 21.59 cm how much margin should she leave on the left so that the figure is centered?

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