Subtract. −1/35−(−27/8)

Enter your answer as a simplified fraction by filling in the boxes

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?

Is it greater than or less than7*3_9*2

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years