On the Navajo Reservation, a random sample of 222 permanent dwellings in the Fort Defiance region showed that 56 were traditional Navajo hogans. In the Indian Wells region, a random sample of 141 permanent dwellings showed that 17 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.Find a 90% confidence interval for p1 − p2. (Round your answer to three decimal places.)lower limit upper limit

Given: n1 = 222 x1 = 56 P1 = x1/n1 = 0.25225225 n2 =141 x2 = 17 P2 = x2/n2 = 0.120567376 p1 be the…

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 222 permanent dwellings in the Fort Defiance region showed that 56 were traditional Navajo hogans. In the Indian Wells region, a random sample of 141 permanent dwellings showed that 17 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.

Find a 90% confidence interval for p₁ − p₂. (Round your answer to three decimal places.)

lower limit
upper limit

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