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Assume that a sample is used to estimate a population proportion p. Find the 90% confidence...

Assume that a sample is used to estimate a population proportion p. Find the 90% confidence interval for a sample of size 355 with 71 successes.

Math   Statistics-And-Probability   
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Answer #1

Confidence intervals for proportion is

(0.1753 , 0.2486 )

Solution file is attached go through it

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