4) Apply the sample size determination formula to solve the following application: 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 about 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?
4) Apply the sample size determination formula to solve the following application: 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 about 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?
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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