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Write the lower and upper bounds in the ci

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Reference no: EM132399843

Write the lower and upper bounds in the CI to the four decimal place. management thinks that this figure is close to .55. The management would like to have a margin of error of ±.025 at the 99% confidence level.

a) What sample size should be used?

b) A sample of the size calculated in a) has been taken. The management found the sample proportion to be .575 Construct a 99% CI for the true proportion.

c) If someone insists that the true proportion is .59. Based your answer to b), would you agree or disagree with this person? Why agree or why not agree?

Reference no: EM132399843

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