a. Calculate the observed mean, expected mean, standard deviation and z value for the median and up/down test. Use z

The first option would be correct if it were one half and not one

He will need 2,898 pieces of paper

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .

Ithink you answer is c