On a multiple-choice exam consisting of ten questions with A through D as choices, the correct answers were: C D C B C B D A C D. Use these data to test the hypothesis that the answer sequence is random. What is the expected number of runs?

As opposed to ecotourism, mass tourism primarily involves travel to sensitive natural and cultural environments

a. true b. false

The Maritime Transportation Security Act of 2002 is intended to:

a. Protect U.S. ports and waterways from terrorist attack b. Reduce the threat that a maritime container will be used to deliver a weapon c. Streamline cargo manifests d. Establish ocean based power generation