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Summary of results from a study of people who refused to answer survey questions.
AGE
TOTALS
18-21
22-29
30-39
40-49
50-59
60 and over
RESPONDED
73
255
245
136
138
202
1049
REFUSED
11
20
33
16
27
49
156
TOTAL OBSERVATIONS
84
275
278
152
165
251
1205
Assume that one of the subjects is randomly selected. What is the probability that the selected person refused to respond or is over 59 years of age?
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