America's young people are heavy internet users: 87% of Americans ages 12 and 17 are Internet users (The Cincinnati Enquirer, Feb. 7, 2006). MySpace was voted the most popular website by 9% in a sample survey of Internet users in this age group. Suppose 1400 youths participated in the survey. What is a 95% confidence interval to estimate the population proportion for which MySpace is the most popular website?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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America's young people are heavy internet users: 87% of Americans ages 12 and 17 are Internet users (The Cincinnati Enquirer, Feb. 7, 2006). MySpace was voted the most popular website by 9% in a sample survey of Internet users in this age group. Suppose 1400 youths participated in the survey. What is a 95% confidence interval to estimate the population proportion for which MySpace is the most popular website?

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