How much more intense is sound at 40 dB than sound at zero dB? | Numerade

SOLVED: QUESTION 17How much larger is the intensity of sound at 40 dB than sound at 0 dB?0 101000u1000'100o01o0000

The intensity of a sound of 40dB when compared to the sound of ... | Filo

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SOLVED: The ideal (daytime) noise-level for hospitals is 45 decibelswith a standard deviation of 10 db; which is to say, this may notbe true. A simple random sample of 75 hospitals at a moment duringthe day gives a mean noise level of 47 db. Assume that the standarddeviation of noise level for all hospitals is really 10 db. Allanswers to two places after the decimal.(g) How many hospitals must we examine to have 95% confidencethat we have the margin of error to within 0.5 db?(h) How many hospita

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