please show all work. Thank you!

1) Consider the following data set: -31, -11, -75, 0, 3, -22, 8, -6, -6, -22, -18, 5, 19

a) Find the median, Q1, and Q3, and maximum and minimum for this set of data.

b) Draw the box and whisker plot for this data

c) Find the sample standard deviation.

2) A multiple-choice test has 9 questions on it, and each question has three choices available.

a) If you guess randomly on each of the questions, what is the probability that you will get three of them correct?

b) What is the probability of getting at MOST three of them correct?