Question: A car repair is either on time or late and either satisfactory or unsatisfactory. If a repair is made on time, then there is a

A car repair is either on time or late and either satisfactory or unsatisfactory. If a repair is made on time, then there is a probability of 0.85 that it is satisfactory.
There is a probability of 0.77 that a repair will be made on time. What is the probability that a repair is made on time and is satisfactory?

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