How do you solve 2x +8

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?

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.