Mathematics, 27.06.2019 22:40 gtjermaine3249
Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. a pollster contacts 87 people in the 18-21 age bracket and finds that 74 of them respond and 13 refuse to respond. when 256 people in the 22-29 age bracket are contacted, 232 respond and 24 refuse to respond. assume that 1 of the 343 people is randomly selected. find the probability of getting someone in the 22-29 age bracket or someone who refused to respond.
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Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. a...
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