Using a random sample of 4000 TV households, a media research company found that 65.8% watched the final episode of a long-running popular series. The margin of error in this percent was 1.6%. In a later study, the same media research company increased its random sample to 5900. By how much did this improve the margin of error? The margin of error improved by%. (Round to the nearest tenth as needed.)

Using a random sample of 4000 TV households, a media research company found that 65.8% watched the final episode of a long-running popular series. The margin of error in this percent was 1.6%. In a later study, the same media research company increased its random sample to 5900. By how much did this improve the margin of error? The margin of error improved by%. (Round to the nearest tenth as needed.)

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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