Top of Class Marks Accrued by Children in Eight Seating Positions (N = Total)
A teacher may preview a lesson on number with 20 students followed by a quiz on memory of the numbers. she may predict that
at least one third ,one half,three fourths or some other the proportion of students will be successful on the quiz. For this example,the teacher predicts that at least 80% of the students will complete the quiz successfully and sets the cut point at a score of 80 or above to be successful. The null hypothesis for this problem is state as follows