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(Solution Library) In an ABC News.com nationwide poll dine in 2001, the proportion of respondents who thought that it should be illegal to use a handheld cell

Question: In an ABC News.com nationwide poll dine in 2001, the proportion of respondents who thought that it should be illegal to use a handheld cell phone while driving was .69 (69%). The poll's sample size was 1027.

  1. Find the value of the standard error of the sample proportion.
  2. Find the 95% confidence interval estimate of the population proportion that thinks it should be illegal to use cell phones while driving.
  3. Find a 90% confidence interval estimate of the population proportion that thinks it should be illegal to use a cell phone while driving.

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