A campus administrator has found that 60% of all students view courses as very useful, 20%, as so

A campus official has build that 60% of all students intention routes as very beneficial, 20%, as partially beneficial, and 20%, as base. Of a chance pattern of 100 students vestibule trade routes, 68 build the route in investigation very beneficial, 18, partially beneficial, and 14, base. Test the inoperative supposition that the population dispensation for trade routes is the selfselfsame as that for all routes.