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 366 Successes 192 700 Observations 400 Observations p-hat_1 0.523 p-hat_2 0.48 p= Ex: 1.234 Confidence level 90% Z-score -1.372 p-value 0.085 -3 -2 0 1 2 3 2 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 = = -1

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 366 Successes 192 700 Observations 400 Observations p-hat_1 0.523 p-hat_2 0.48 p= Ex: 1.234 Confidence level 90% Z-score -1.372 p-value 0.085 -3 -2 0 1 2 3 2 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 = = -1

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section: Chapter Questions

Problem 25SGR

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