A campus program evenly enrolls undergraduate and graduate students. If a random sample of four students is selected from the programs to be interviewed about the introduction of a new fast food oulet on the ground floor of the building, what is the probability that all four students selected are undergarduate students?
A. 0.0256
B. 0.0625
C. 0.16
D. 0.25
This provides the steps to calculate the probability