Practice Quiz

Customs Officer Exam Prep

Category - Customs Officer

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Twenty-five percent of the nation?s incoming cargo containers are shipped to the port of Cary, and 10% are shipped to the port of Davidson. Merchandise that arrives at these ports in containers is shipped by truck and rail to its final destination in the United States. Cary is one of the biggest targets for cargo thieves due to the large volume of merchandise shipped there.
  1. There is a 75% chance that the container was not shipped to the port of Cary
  2. There is a 25% chance that the container was shipped to the port of Davidson
  3. There is a 75% chance that the container was shipped to the port of Davidson
  4. There is a 25% chance that the container was not shipped to the port of Davidson
  5. There is a 90% chance that the container was shipped to the port of Cary
Explanation
Answer: A - According to the first sentence, 25% percent of the nation?s incoming cargo containers are shipped to the port of Cary. This means that 75% of the nation?s incoming cargo containers are not shipped to the port of Cary. Therefore, there is a 75% chance that a container taken at random was not shipped to the port of Cary. Responses B and C are incorrect because there is a 10% chance that the container was shipped to the port of Davidson. Response D is incorrect because there is a 90% chance that the container was not shipped to the port of Davidson. Response E is incorrect because there is a 25% chance that the container was shipped to the port of Cary.
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