A company installs 5000 light​ bulbs, each with an average life of 500​ hours, standard deviation of 100​ hours, and dis

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answerhappygod
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A company installs 5000 light​ bulbs, each with an average life of 500​ hours, standard deviation of 100​ hours, and dis

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A company installs 5000 light​ bulbs, each with an averagelife of 500​ hours, standard deviation of 100​ hours, anddistribution approximated by a normal curve. Find the approximatenumber of bulbs that can be expected to last the specified periodof time.
Less than 200 hours
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