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.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 7PPS
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