A University Administrator Expects That 25% of Students in a Core

Multiple Choice

A university administrator expects that 25% of students in a core course will receive an A. He looks at the grades assigned to 60 students. What are the expected value and the standard error for the proportion of students that receive an A?

A) 0.25 and 0.0031
B) 0.25 and 0.0559
C) 15.0 and 0.0031
D) 15.0 and 0.0559