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Company A supplies 40% of the computers sold and is late 5% of the time. Company...

Company A supplies 40% of the computers sold and is late 5% of the time. Company B supplies 30% of the computers sold and is late 3% of the time. Company C supplies another 30% and is late 2.5% of the time. A computer arrives late - what is the probability that it came from Company A?

Math   Statistics-And-Probability   
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