Answered: Pollsters are concerned about declining…

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter8: Sequences, Series, And Probability

Section8.7: Probability

Problem 48E

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Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A pollster contacts 77 people in the 18-21 age bracket and finds that 65 of them respond and 12 refuse to respond. When 304 people in the 22-29 age bracket are contacted, 275 respond and 29 refuse to respond. Assume that 1 of the 381 people is randomly selected. Find the probability of getting someone in the 22-29 age bracket or someone who refused to respond.

Report the answer as a percent rounded to one decimal place accuracy. You need not enter the "%" symbol.

P(22-29 or refused) = %

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