An online gaming site conducted a survey to determine the types of games people play online. The results are shown in the circle paragraph.

a. If 2500 people participated in the study, how many of them would play arcade or board games?
b. An article said 30% of Americans play card games online. Is this statement valid? Explain your reasoning.
c. Describe how the study could have been conducted so that it represented all Americans and not just online gamers.

Adventure Games: 22%
Puzzles: 28%
Card Games: 30%
Arcade Games: 9%
Board Games: 11%

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