How do you solve this problem? 3x(5+2)=

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 statement about pascal's triangle are true?

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)