The table below summarizes results from a study of people who refused to answer survey questions. A market reseacher is interested in responses, especially from those between the ages 22 and 39. Find the probability that a selected subject responded or is between the ages of 22 and 39.
(Round to three decimal places as needed)
Age
18-21 22-29 30-39 40-49 50-59 60andover
Responded 72 254 244 135 137 201
Refused 12 21 34 27 36 58
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