Please solve the questions below to your best and I will also make sure we are both satisfied if I am satisfied. I really need help. The textbook is provided below but solve it with what's easier for you ( excel, desmos, etc) and everything is not in the textbook!

Link to textbook if needed: https://drive.google.com/file/d/1HLjRPFT329qKZ-S8h0fra_KsEJYThs8-/view?usp=sharing

Questions:

Question An urn contains 9 red balls and 7 green balls. The balls are mixed up, and 3 balls are selected randomly and without replacement. If at least one of these 3 balls is red, what is the probability that exactly 2 are red? Your Answer: Your Answer Question - Which of the following statements are true? There may be more than one correct statement; select all that are true. [3 a) If Xis any continuous random variable and a is any constant, then P(X= a) = 0. C] b) The standard normal distribution and the t distribution are both symmetric about 0. O c) The geometric distribution is perfectly symmetric. D d) Statistical inference procedures are useless unless n > 30