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.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 1GP

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