A campus program evenly enrolls undergraduate and graduate students.If a random sample of 4 students is selected from the program to be interviewed about the introduction of a new fast food outlet on the ground floor of the campus building,what is the probability that all 4 students selected are undergraduate students?
A)0.0256
B)0.0625
C)0.16
D)1.00

Question

Quizplus · Accepted Answer

Since the program enrolls undergraduate and graduate students evenly, the probability of selecting an undergraduate student is 1/2. For 4 students selected independently, the probability that all are undergraduates is (1/2)^4 = 1/16 = 0.0625.

A Campus Program Evenly Enrolls Undergraduate and Graduate Students