Math 240

X Zy Section 8.2 - MAT 240: Applied St X Course Hero X + s.com/zybook/SNHUMAT240Master1/chapter/8/section/2 > MAT 240: Applied Statistics home > thesis test for the difference between two population proportions zyBooks catalog ? Help/F Jump to level 1 N ( A state housing department is trying to determine if housing prices in county B are lower than in county A. The department decides to randomly 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 p-hat_2 0.68 p = Ex: 1.234 # Confidence level 99% z-score -2.346 p-value 0.00939 -3 -2 -1 1 Z = Ex: 1.234 County A samples: n1 = Ex: 9 County B samples: n2 = Sample proportion for county A samples: P1 = Ex: 1.234 Sample proportion for county B samples: p2 = Check Next