Is 11 greater than, equal to, or less than -11

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?

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

Which of these tables represents a non-linear function?