"Unknown cultural affiliations and loss of identity at high elevations." These are words used to propose the hypothesis that archaeological sites tend to lose their identity as altitude extremes are reached. This idea is based on the notion that prehistoric people tended not to take trade wares to temporary settings and/or isolated areas. As elevation zones of prehistoric people (in what is now the state of New Mexico) increased, there seemed to be a loss of artifact identification. Consider the following information. Elevation Zone 7000-7500 t 5000-5500 ft Number of Artifacts 109 136 Number Unidentified 72 28 Let p, be the population proportion of unidentified archaeological artifacts at the elevation zone 7000-7500 feet in the given archaeological area. Let p, be the population proportion of unidentified archaeological artifacts at the elevation zone 5000-5500 feet in the given archaeological area. A USE SALT (a) Find a 95% confidence interval for P-Pa (Use 3 decimal places.) lower limit upper limit

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"Unknown cultural affiliations and loss of identity at high elevations." These are words used to propose the hypothesis that archaeological sites tend to lose their identity as
altitude extremes are reached. This idea is based on the notion that prehistoric people tended not to take trade wares to temporary settings and/or isolated areas. As elevation
zones of prehistoric people (in what is now the state of New Mexico) increased, there seemed to be a loss of artifact identification. Consider the following information.
Elevation Zone
7000-7500 t
5000-5500 t
Number of Artifacts
109
136
Number Unidentifed
72
28
Let p, be the population proportion of unidentified archaeological artifacts at the elevation zone 7000-7500 feet in the given archaeological area. Let p, be the population
proportion of unidentified archaeological artifacts at the elevation zone 5000-5500 feet in the given archaeological area.
A USE SALT
(a) Find a 95% confidence interval for P- P2. (Use 3 decimal places.)
lower limit
upper limit
Transcribed Image Text:"Unknown cultural affiliations and loss of identity at high elevations." These are words used to propose the hypothesis that archaeological sites tend to lose their identity as altitude extremes are reached. This idea is based on the notion that prehistoric people tended not to take trade wares to temporary settings and/or isolated areas. As elevation zones of prehistoric people (in what is now the state of New Mexico) increased, there seemed to be a loss of artifact identification. Consider the following information. Elevation Zone 7000-7500 t 5000-5500 t Number of Artifacts 109 136 Number Unidentifed 72 28 Let p, be the population proportion of unidentified archaeological artifacts at the elevation zone 7000-7500 feet in the given archaeological area. Let p, be the population proportion of unidentified archaeological artifacts at the elevation zone 5000-5500 feet in the given archaeological area. A USE SALT (a) Find a 95% confidence interval for P- P2. (Use 3 decimal places.) lower limit upper limit
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