In research about the population of a county with 100,000 inhabitants, a sample of 3000 households was selected to be interviewed. For 1200 of the 3000 households that researchers attempted to contact, there was no one home willing to participate. For this survey, the nonresponse rate was ___________ .(Give your answer as a whole number.)

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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In research about the population of a county with 100,000 inhabitants, a sample of 3000 households was selected to be interviewed. For 1200 of the 3000 households that researchers attempted to contact, there was no one home willing to participate. For this survey, the nonresponse rate was ___________ .

(Give your answer as a whole number.)

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