How do I do this?

Use the normal approximation to the binomial distribution to answer this question. fifteen percent of all students at a large university are absent on mondays. if a random sample of 12 names is called on a monday, what is the probability that four students are absent?

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

Can someone me with this problem . show your work .