National Welding Uses Industrial Robots in Some of Its Assembly-Line

question 139

Essay

National Welding uses industrial robots in some of its assembly-line operations. Management has determined that, on average, a robot breaks down after 1,000 hours of use and that the lengths of time between breakdowns are exponentially distributed.
a. What is the probability that a robot selected at random will break down between 300 and 600 hours of use?
Round your answer to two decimal places.
b. What is the probability that a robot will break down after 1,100 hours of use?
Round your answer to two decimal places.

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A life stage characterized by the age period of 65 years and older, often focused on retirement, health management, and life review.

Financial Problems

Issues related to managing money, including difficulties in making ends meet or accumulating debt.

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People with whom one has a bond of mutual affection, typically exclusive of sexual or family relations.

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Pertaining to or involving a line, often in the context of descent or succession.