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Boeing 727 pilot collected 61 noise observations using handheld sound meter. Low sound levels are under 88 decibles, medium 88-91 decibels, high 92 or more, Three flight phases at a=.05, is cockpit noise independent of flight phase &nb sp; Noise Level Climb Cruise Descent Total
Low 6 2 6 14 Medium 18 3 8 29
High  ; 1 3 14 18
Submitted: 237 days and 8 hours ago.
Category: Math
Value: $9
Status: CLOSED
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sk1llz.doc
Sincerely,
Sk1llz
Expert:
Sk1llz
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Answered:
3/30/2009
Mastermind
Mathematics, Statistics and Physics
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