Please Type Out!! Thanks!

It would be really helpful if someone could do these practice problems, so I can understand them better thanks.

Read each statement in the box. Decide if you agree, disagree, or are not sure. Then provide justification for your choice or explain why you are unsure.

At a high school, 40% of the students buy class rings. You select ve students at random. a) Using a method of your choice (binomial probability or binomial expansion), nd the probability that exactly two students buy a class ring. Show your steps or explain your thinking. (2 pts.) b) Using a method of your choice (binomial probability or binomial expansion), nd the probability that at least two students buy a class ring. Show your steps or explain your thinking. (2 pts.) Explain how you can use the normal distribution curve to determine the probability that an event in a given data set will occur. Use the following words in y0ur explanation: Mean Standard deviation Your explanation should make it clear that you understand how the normal distribution curve is divided and what the sections represent in terms of probability. You can use an example to support your answer. (5 pts.)