Probability that human errors came from station c

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A regional telephone company operates three identical relay stations at different locations. During a one year period, the number of malfunctions reported by each station and the causes are shown below. Station A B C Problems with electricity supplied Computer malfunction Malfunctioning electrical equipment Caused by other human errors Suppose that a malfunction was reported and it was found to be caused by other human errors. What is the probability that it came from station C?

Reference no: EM13131331

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