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Mathematics, 24.04.2021 08:00 robertbyrd2017

An investor is considering funding a new video game. He wants to know the worldwide percentage of people who play video games, so a survey is being planned. How many people must be surveyed to be 90% confident that the estimated percentage is within three percentage points of the true population percentage? a) Assume that bout 16% of people play video games.
b) Assume that nothing is known about the worldwide percentage of people who play video games.
c) Given that the required sample size is relatively small, could you simply survey the people that you know?

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