A random sample of n1 = 262 people who live in a city were selected and 117 identified as a "dog person." A random sample of n2 = 108 people who live in a rural area were selected and 55 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."
A random sample of n1 = 262 people who live in a city were selected and 117 identified as a "dog person." A random sample of n2 = 108 people who live in a rural area were selected and 55 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."
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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