. Find the probability of getting someone in the 22-29 age bracket or someone who refused to respond.
. Find the probability of getting someone in the 22-29 age bracket or someone who refused to respond.
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 90 people in the 18-21 age bracket and finds that 76 of them respond and 14 refuse to respond. When 278 people in the 22-29 age bracket are contacted, 261 respond and 17 refuse to respond. Assume that 1 of the 368 people is randomly selected. Find the
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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