Mathematics, 22.04.2020 03:00 dtilton2003

There are 327 official ports of entry in the United States. The Department of Homeland Security selects 15 ports of entry at random to be audited for compliance with screening procedures of incoming travelers through the primary and secondary vehicle and pedestrian lanes. What kind of sample is this (simple random, systematic, stratified, cluster)?

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There are 327 official ports of entry in the United States. The Department of Homeland Security sele...

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