Assume that a sample is used to estimate a population proportion p. Find the 90% confidence interval for a sample of size 257 with 28 successes. Enter your answer as a tri-linear inequality using decimals (not percents) accurate to three decimal places. < p < Answer should be obtained without any preliminary rounding. However, the critical value may be rounded to 3 decimal places.
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To find the 90% confidence interval for the population proportion \( p \) based on the given sample size and number of successes, we will follow these steps: Show more…
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