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Chapter 5, Section 2, Exercise 036 Find the indicated confidence interval. Assume the standard error comes from a bootstrap distribution that is approximately normally distributed A 95% confidence interval for a proportion p if the sample has n = 100 with p 0.40, and the standard error is SE = 0.05. Round your answers to three decimal places The 95% confidence interval is to

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Answer #1

95% confidence interval for p is

- Z/2 * SE < p < + Z/2 * SE

0.40 - 1.96 * 0.05 < p < 0.40 + 1.96 * 0.05

0.302 < p < 0.498

95% CI is 0.302 to 0.498

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