'2 Points] DETAILS BBUNDERSTAT12 5.4.009.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Susan is taking Western Civilization this semester on a pearfall hasis, The department teaching the course has a history of passing 6And of the students in Westem Civilization each term. Late - 1, 2, 1, ... represent the number of times a student takes Western Civilization until the wwe passing grade is renewed. (Ascumme the trials are independent.] (a) Write out a formula for the probability distribution of the random variable n. (b) What is the probability that Susan passes on the first try (o - 1)7 (Round your answer to two decimal places.) (:) what is the probability that susan first passes on the second try (n - 717 (Round your answer to these decimal places.) 'd what is the probability that Susan needs three or more tries to pass Western Ovllization" (Round your answer to three decimal places.) (ni What is the expected number of attempts at Western Civilization Susan must make to have her (first) pass? Aunit: Use , for the geometric distribution and mund. (Round your answer to two decimal places. Need Help? -/3 Points] DETAILS BEUNDERSTAT12 5.4.014.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER At Burnt Mesa Pueblo, in one of the archaeological excavation whites, the a thact density fromper of pehlitoric artifacts per 10 liters of sediment) was 1 1, Suppose you are going to dig up and examine 50 Iters of sediment al this cita. I et / 0. 1, 2, 3. ... be a random variable that represents the number of prehistoric artifacts found in your 50 liters of scriment. astly sunny