Question

7.) The following confidence interval is obtained for a population proportion, p: 0.439 < p < 0.541. Use these confidence interval limits to find the sample proportion p with hat on top. Round your answer to three decimal places.

8.) The following confidence interval is obtained for a population mean, μ: 33.69 < μ < 48.45. Use these confidence interval limits to find the margin of error E. Round your answer to two decimal places.

9.)Given the confidence interval (0.317, 0.650), determine the values of sample proportion begin mathsize 14px style p with hat on top end style and margin of error E.

10.) Express the confidence interval (0.548, 0.872) in the form of begin mathsize 14px style top enclose x end style ± E.

Answer 1

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