Lazlo Gali, a quality analyst for Blue Sky Airlines, is developing a simulation model to analyze the impact of changes to the company's operating policies on performance. Currently, Lazlo believes the time (hours) to clean and service an aircraft after a flight follows a shifted exponential distribution with mean time 55.3370269766431 (hours) and a shortest possible time of 19.39 (hours). Find the minimum time (hours) to clean and service an aircraft after a flight at 0.66 confidence:

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