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Closer to the November election, better precision and smaller margins of error are desired. Assume the...

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Basic Math

Closer to the November election, better precision and smallermargins of error are desired. Assume the following margins of errorare requested for surveys to be conducted during the electoralcampaign. Assume a planning value of p* = 0.50 and a 90%confidence level. What is the recommended sample size for eachsurvey? Show work

  1. For September, the desired margin of error is 0.045.____________
  1. For October, the desired margin of error is 0.035.____________
  1. For early November, the desired margin of error is 0.025.____________
  1. For pre-election day, the desired margin of error is 0.015.____________

Answer & Explanation Solved by verified expert
4.5 Ratings (970 Votes)
Solution Given that 051 051margin of error E 0045At 90 confidence level the t is 1 90    See Answer
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