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Canva: Log In to Canva N Netflix |E McGraw-Hil×1BearfaceLi connectED ww.-awh.connectmath.com/alekscgi/x/isl.exe/1o u-lgNslkr7)8P3jH-IBS xZvCapletwzpEF4G2dPk30dfCjF6HQ2kuobvhwehá Essential Statistics, 2nd Ed IMATH Hosted by ALEKS Corp. Test #4 Previous21 22 23 24 25 26 27 28 29 30 Next Question 27 of 30 (1 point) Use the given data to construct a confidence interval for the population proportion p of the requested level. x = 49, n = 68, confidence level 99% Round the answer to three decimal places. The confidence interval is e 61

Explanation / Answer

n =68

x = 49

p = 49/68 = 0.7206

standard error = sqrt(49/68 * 19/68 * 1/68) = 0.0544

margin of error = 2.58 * 0.0544 = 0.1404

lower bound = 0.7206 - 0.1404 = 0.58

upper bound = 0.7206 +0.1404 = 0.861

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