Round answers to to 4 decimal places. pi - p2

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Question
A random sample of n1 278 people who live in a city were selected and 98 identified as a "dog person." A
random sample of n2 = 109 people who live in a rural area were selected and 65 identified as a "dog
person." Find the 90% confidence interval for the difference in the proportion of people that live in a city
who identify as a "dog person" and the proportion of people that live in a rural area who identify as a "dog
person."
Round answers to to 4 decimal places.
< pi – p2 <
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Transcribed Image Text:A random sample of n1 278 people who live in a city were selected and 98 identified as a "dog person." A random sample of n2 = 109 people who live in a rural area were selected and 65 identified as a "dog person." Find the 90% confidence interval for the difference in the proportion of people that live in a city who identify as a "dog person" and the proportion of people that live in a rural area who identify as a "dog person." Round answers to to 4 decimal places. < pi – p2 < Submit Question
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