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daliqiqi daliqiqi
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6 years ago
The metropolitan airport commission is considering the establishment of limitations on noise pollution around a local airport.
 
  At the present time, the noise level per jet takeoff in one neighborhood near the airport is approximately normally distributed with a mean of 100 decibels and a standard deviation of 3 decibels. What is the probability that a randomly selected jet will generate a noise level of more than 105 decibels?
  A) 0.0228
  B) 0.0475
  C) 0.0485
  D) 0.0500
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loganhauslerloganhausler
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6 years ago
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daliqiqi Author
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6 years ago
Good timing, thanks!
shangshang
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Yesterday
Thank you, thank you, thank you!
bkrandy
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2 hours ago
Thanks
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