Week 6: Practice quiz (page 3 of ( X + V X -> C A learn2.open.ac.uk/mod/quiz/attempt.php?attempt=54158798cmid=1906279&page=2 @ Questions 1 2 3 4 5 6 Question 3 Tries remaining: 3 Marked out of 1.00 \\ Flag question A liquid storage vessel is filled by pumping liquid from the delivery tanker. The vessel has two safety Finish attempt .. devices; firstly, a sensor automatically triggers the mechanism that stops the pump when the vessel is 95% full. A second independent sensor triggers an alarm signal in the control room if the vessel reaches 98% full. On any occurrence there is a 1 in 11000 chance that the first device will fail and a 1 in 35000 chance that the second device will fail. What is the probability that both devices will fail on any one occasion? Express your answer as a proportion. Do not round your answer. The probability of both devices failing is 1 in Check Send feedback 4:4 O Type here to search 12/05/2022