Statistics-Will a 90% confidence interval be wider or narrower

Statistics-Will a 90% confidence interval be wider or narrower

Question # 00139620 Posted By: solutionshere Updated on: 11/24/2015 11:14 AM Due on: 12/24/2015
Subject Business Topic General Business Tutorials:
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A 95% confidence interval for a population proportion yielded the interval (.678, .764). Show your work.

  1. Compute the margin of error.
  2. Compute the sample proportion.
  3. Will a 90% confidence interval be wider or narrower? Explain.
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    Tutorial # 00134109 Posted By: solutionshere Posted on: 11/24/2015 11:14 AM
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