a random group of seniors was,selected from a university and asked about their plans for the following year.

a random group of seniors was,selected from a university and asked about their plans for the following year. the school advising office claims that 55% of students plan to,work, 25% of students plan to continue school and 20% of them plan to take some time off. is there evidence to reject,this hypothesis at an alpha of 0.05? plans: work= 21, school= 15, time off = 10. find the critical value, test value and make a decision to rject or accept,claim