zybooks.com/zybook/MAT-240-14373-OL-TRAD-UG22EW4/chapter/8/section/2?content_resource. A Q a MAT 240: Applied Statistics home> sis test for the difference between two population proportions E zyBooks catalog Help/FAQ e LaShon 387674 1891676 pdany? Jump to level1 A state housing department is trying to determine if housing prices in county B are lower than in county A. The department decides torandormly sample recently sold houses in both counties and determine what proportion sold for more than $250,000. Since county A is considerably larger than county B, the housing department chose a larger sample from county A. The results of the data collected are shown below. County A County B Successes 665 Successes 340 Observations 900 Observations 500 p-hat 1 0.739 phat 0.68 Confidence level p= Ex: 1.234: 99% 2score -2.346 Pvalue 0.00939 z = Ex: 1.234 County A samples: n = Ex 9 County B samples: n2 = Sample proportion for county A samples: P1 = Ex: 1.234 Sample proportion for county B samples: p2 = 1 Check Next 80°F A A O (57 ** F12 PrtSc Insert Delete F10 F11 F7 FO F3 F4 F5 F6 Num Lock * Backspace 4 7 8 RT Y J. Entr D-D-

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