Amagazine contains fourteen pages. you open to a random page, the page number is three or where do i start i need to show work

The possibility to open to page seven is 75% percent. The possibility of opening to page 3 is about 25%
Our human body will order us to open to the middle page without us realizing unless we are looking and know which random page we want.
Due to the lack of information of the questions there is not much be said or to answer in  any case.