Lynn, faith, and jeremy are film animators. in one 8-hour day, lynn rendered 203 frames, faith rendered 216, and jeremy rendered 227 frames. how many more frames per hour did faith render than lynn did?

4. jake needs to score in the top 10% in order to earn a physical fitness certificate. the class mean is 78 and the standard deviation is 5.5. what raw score does he need? z value for top 10% =1.282 how do i get the z value? what is the equation for this? raw score =mean+z*sd = 78+1.282*5.5 = 85.051