How many time do 31 go into 399

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?

Find the value of x that will make l ll m

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?