National Welding Company Uses Industrial Robots in Some of Its

Short Answer

National Welding Company uses industrial robots in some of its assembly-line operations. Management has determined that the lengths of time in hours between breakdowns are exponentially distributed with probability density function
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What is the probability that a robot selected at random will break down between 500 and 800 hr of use? Round the answer to the nearest hundredth.
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What is the probability that a robot will break down after 1,100 hr of use? Round the answer to the nearest hundredth.
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