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Mathematics, 10.09.2019 04:30, faith1993
Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. a pollster contacts 8686 people in the 18-21 age bracket and finds that 4343 of them respond and 4343 refuse to respond. when 276276 people in the 22-29 age bracket are contacted, 258258 respond and 1818 refuse to respond. suppose that one of the 362362 people is randomly selected. find the probability of getting someone in the 18 dash 2118-21 age bracket or someone who respondedresponded.
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Answers: 2
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Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. a...
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