On the Navajo Reservation, a random sample of 220 permanent dwellings in the Fort Defiance region showed that 66 were traditional Navajo hogans. In the Indian Wells region, a random sample of 153 permanent dwellings showed that 18 were traditional hogans. Let p1 be the population proportion of all traditional hogans in the Fort Defiance region, and let p2 be the population proportion of all traditional hogans in the Indian Wells region.(a) Find a 90% confidence interval for p1 – p2. (Use 3 decimal places.)lower limit upper limit

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Answered: On the Navajo Reservation, a random…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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On the Navajo Reservation, a random sample of 220 permanent dwellings in the Fort Defiance region showed that 66 were traditional Navajo hogans. In the Indian Wells region, a random sample of 153 permanent dwellings showed that 18 were traditional hogans. Let p₁ be the population proportion of all traditional hogans in the Fort Defiance region, and let p₂ be the population proportion of all traditional hogans in the Indian Wells region.

(a) Find a 90% confidence interval for p₁ – p₂. (Use 3 decimal places.)

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