answer both questions with explanation

4. A bag contains 20 balls numbered 1 through 30. Suppose drawing an even numbered ball is considered a 'Succcss'. a. Two balls are drawn from the bag with replacement. Find the probability of getting: i. Two successes ii. exactly one success iii. at least one success iv. no successes b. Find the same four probabilities for the experiment where the two balls are drawn without replacement. 5. Suppose, you are attending an exam where there are 9 multiple choice questions 1with 3 options in each. A question can have multiple correct answers and in that case, you have to tick all of the correct choices to get the question right a. What is the probability that you'll get exactly 6 of the questions right? b. What is the probability that you'll get at most 6 of the questions right