Rotate + Position

To rotate the half sphere, select the sphere and change the view to side view. Then you can use the rotate tool icon or use the channel box. Go to the rotate x and make it flat by using a value of 270. Afterwards, to move the sphere up on the pedestal use the move tool or use the channel box. In the Translate Y axis type in 2.6 because it should be on top of the pedastal. Use the scale tool to flatten out the roundness of the sphere.