Asked by Elena Guerrero on May 29, 2024

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In a random sample of 400 registered voters, 120 indicated they plan to vote for Candidate A.Determine a 95% confidence interval for the proportion of all the registered voters who will vote for Candidate A.

Confidence Interval

A statistical term for the range within which we expect, with a certain level of confidence, that a population parameter lies based on a sample statistic.

Registered Voters

Individuals who are officially registered to vote in elections within a specified jurisdiction.

Candidate A

Candidate A refers to a specific option or individual considered in a decision-making process or election scenario.

  • Master the concept of how changes in sample size and confidence levels alter the margin of error and confidence intervals associated with population means and proportions.
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JM
Jomar MallannaoJun 01, 2024
Final Answer :
.255 to .345 (rounded)