Sam and his mom arrive at the doctor’s office at 2:30 p. m. They see the doctor at 3:10 p. m. How long was their wait?

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?

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Aiden buys two bags of chips at $1.09 each and a 20 ounce soda for $1.20 at the gas station.he knows that the state tax is 5.5. how much change will he receive from a $5 bill?