Q1a. If the true proportion of voters who support a metro line in Dublin is p = .60, what is the probability that a sample of size 200 yields a sample proportion i) between .70 and .75 and ii) greater than p= 0.50.

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?