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Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A pollster contacts...

Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A pollster contacts 80 people in the 18-21 age bracket and finds that 68 of them respond and 12 refuse to respond. When 265 people in the 22-29 age bracket are contacted, 241 respond and 24 refuse to respond. Assume that 1 of the 345 people is randomly selected. Find the probability of getting someone in the 22-29 age bracket or someone who refused to respond.

Give your answer as a decimal (to at least 4 places).

math   Statistics-And-Probability   
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