The JU librarian believes that more than 60% of the books checked out by students was fictional material . In a random sample of 1000 students who checked books out in the last year , 628 checked out fictional material What can one conclude about the librarian's hypothesis at a level of significance of 05 ? 62 ) What is the direction of the test ? ( 2 - TAIL ED or UPPER -TAILED or LOWER - TAILED ) 6 b ) What is the computed p - value GC ) The null hypothesis should be rejected . ( YES or NO ) 6 d ) It can be concluded that the librarian's belief is correct . ( YES or NO )