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(Solved): Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A ...



Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A pollster contacts 78 people in the 18-21 age bracket and finds that 66 of them respond and 12 refuse to respond. When 303 people in the 22-29 age bracket are contacted, 275 respond and 28 refuse to respond. Assume that 1 of the 381 people is randomly selected. Find the probability of getting someone in the 18-21 age bracket or someone who agreed to respond. Report the answer as a percent rounded to one decimal place accuracy. You need not enter the "%" symbol. P(18-21 or agreed) = %



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