Math

StatisticsQ&A LibraryOn the Navajo Reservation, a random sample of 214 permanent dwellings in the Fort Defiance region showed that 58 were traditional Navajo hogans. In the Indian Wells region, a random sample of 151 permanent dwellings showed that 19 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 limitStart your trial now! First week only $4.99!*arrow_forward*

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On the Navajo Reservation, a random sample of 214 permanent dwellings in the Fort Defiance region showed that 58 were traditional Navajo hogans. In the Indian Wells region, a random sample of 151 permanent dwellings showed that 19 were traditional hogans. Let *p*_{1} be the population proportion of all traditional hogans in the Fort Defiance region, and let *p*_{2} be the population proportion of all traditional hogans in the Indian Wells region.

(a) Find a 90% confidence interval for *p*_{1} – *p*_{2}. (Use 3 decimal places.)

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