M muiye2 New member Apr 16, 2012 #1 So the z chart doesn't in my book only goes up to 4.5 and in one of my homework equations the number is -4.97 so I have no idea what to do.
So the z chart doesn't in my book only goes up to 4.5 and in one of my homework equations the number is -4.97 so I have no idea what to do.