Question: You recently collected frequency data for a semi-annual study about exposure to workplace noise exposure for adults from an audiology section of a corporate occupational

You recently collected frequency data for a semi-annual study about exposure to workplace noise exposure for adults from an audiology section of a corporate occupational medicine clinic. You have 1347 files, one for each employee working in an area with an exposure to ambient noise exceeding the OSHA threshold of 8-hour time-weighted average sound level (TWA) of 85 decibels. The initial analysis of data yields the following frequencies for the various variables: sex Age Group Number of days above TWA Male (n=1026) 20-29 years (n=220) 120 days (n=978) You randomly select one file. What is the probability that it belongs to an individual who is in the 20-39 year age interval

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