Mathematics, 01.07.2020 16:01 shoobywee

Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A pollster contacts 82 people in the 18-21 age bracket and finds that 70 of them respond and 12 refuse to respond. When 296 people in the 22-29 age bracket are contacted, 272 respond and 24 refuse to respond. Assume that 1 of the 378 people is randomly selected. Find the probability of getting someone in the 22-29 age bracket or someone who agreed to respond.

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