A safety system has three independent sensors. Each sensor works with probability 0.92. The system works provided at least two sensors work.
Calculate the probability that the system works.
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Markscheme
2.6 Probability Questions
36 exam-style questions on CCEA A Level Maths 2.6 Probability, covering 2.6.1 Probability, 2.6.2 Probability, 2.6.3 Probability, and 2.6 Probability. Each one has a worked solution and a mark scheme showing where the marks go.