Last school year, in the school of Business Administration, 30% were Accounting majors, 24% Management majors, 26% Marketing majors, and 20% Economics majors. A sample of 300 students taken from this year's students of the school showed the following number of students in each major:. accounting 83
management 68
marketing 85
economics 64
total 300
has there been any significant change in the number of students in each major between last school year and this school year?
use x=0.05