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Mathematics, 24.03.2020 22:59 manuellopez1981

Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A pollster contacts 101 people in the 18-21 age bracket and finds that 86 of them respond and 15 refuse to respond. When 266 people in the 22-29 age bracket are contacted, 238 respond and 28 refuse to respond. Assume that 1 of the 367 people is randomly selected. Find the probability of getting someone in the 18-21 age bracket or someone who agreed to respond.

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