A research project is conducted by offering a randomly selected 300 of the 500 local Toyota Prius owners a chance to use a new fuel additive for 6 months to see if their gas mileage improves. 225 of the 300 randomly selected Prius owners agree to the offer, 50 of those drop out of the project after 1 month, another 50 drop out after 2 months, and 25 more drop out after 3 months. The rest remain for the duration of the project. Using the intention to treat method, the results from how many of the Prius owners who were not selected to be a part of the project should be included in the research project?

A. 100
B. 200
C. 325
D. 400


Answer: B

Economics

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