One month before the election, a poll of 360 randomly selected voters showed that 240 planning to vote for a certain candidate. 1)] Use the above information to construct a 90% confidence interval for the population proportion of votes planning to vote for this candidate. ] What is the sample size of potential voters required to be able to estimate 90% confidence interval for population proportion with 2% accuracy: What is the sample size of potential voters required to be able to estimate 99% confidence interval for population proportion with 1% accuracy:
One month before the election, a poll of 360 randomly selected voters showed that
240 planning to vote for a certain candidate.
1)] Use the above information to construct a 90% confidence interval for the population
proportion of votes planning to vote for this candidate.
] What is the
interval for population proportion with 2% accuracy:
What is the sample size of potential voters required to be able to estimate 99% confidence
interval for population proportion with 1% accuracy:
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