anonymous
  • anonymous
A company installs 5000 light bulbs, each with an average life of 500 hours, standard deviation of 100 hours, and distribution approximated by a normal curve. How many bulbs should have a life expectancy between 400 and 600 hours?
Statistics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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