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5.5.1 A survey indicates that it is important to pay attention to truth in political advertising. Based on a survey of 1200 people, 35% indicated that they found political advertisements to be untrue; 60% say that they will not vote for candidates whose advertisements are judged to be untrue; and of this latter group, only 15% ever complained to the media or to the candidate about their dissatisfaction. (a) Find a 95% confidence interval for the percentage of people who find political advertising to be untrue. (b) Find a 95% confidence interval for the percentage of voters who will not vote for candidates whose advertisements are considered to be untrue. (c) Find a 95% confidence interval or the percentage of those who avoid voting for candidates whose advertisements are considered untrue and who have complained to the media or to the candidate about the falsehood in commercials.

math   Statistics-And-Probability   
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AnSwer Gwen-that 을 fnotic asirg to be untrue Sample Proportio is p 0.35,n= 1200 SO -0.35 土 19616.35-Co-65) 200 z 0.35 ± 1.96 | o.2275 200 0.35-0.๐2구 C33, o.3φ) find 95-1 a 95% co Fidene inlewl Ror the percentage ot oters いhowell not vote-fol Candidlt1 whose adveksemert a to be untyue Sample pro portro is 1 260 200 (, d-68) -0.01 ± 1.96 | 0.0? CI-001) L9ob Co. 0238, О. 1062) =

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