Question: Question 4 3 pts An electrical circuit has 4 components labelled A, B, C and D. The probabilities of components A, B, C and

Question 4 3 pts An electrical circuit has 4 components labelled A,

Question 4 3 pts An electrical circuit has 4 components labelled A, B, C and D. The probabilities of components A, B, C and D working when the electrical circuit is switched on are 0.9, 0.8, 0.7 and 0.9, respectively. What is the probability that at least two components will be working when the circuit is switched on

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