A random sample of 50 households was selected for a telephone survey. The key question asked was, “Do you or any member of your household own a cellular telephone with a built-in camera? Of the 50 respondents, 35 said “yes“ and 15 said “no. “ Give a 90% confidence interval estimate for the population proportion of households in which a member owns a cellular telephone with a built-in camera. Interpret this confidence interval.

A random sample of 50 households was selected for a telephone survey. The key question asked was, “Do you or any member of your household own a cellular telephone with a built-in camera? Of the 50 respondents, 35 said “yes“ and 15 said “no. “ Give a 90% confidence interval estimate for the population proportion of households in which a member owns a cellular telephone with a built-in camera. Interpret this confidence interval.

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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