Dave is sailing his sailboat on a lake near his home. The diagonal portion of the sail measures 15 ft. and the bottom part of the sail attached to the boom is 9 ft. How
tall is the part of the mast that holds the sail? Round to the nearest foot, and enter
the number only.
010
DIO
15 ft
9 ft

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