Three independent components each work with probability

MATHEMATICS · Single correct · A Level · Mathematics · Probability · Probability

Problem

Three independent components each work with probability 0.90.9. The system functions only if all three work. What is the probability that the system fails? (a) 0.7290.729 (b) 0.2710.271 (c) 0.3000.300 (d) 0.1000.100

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