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In a survey conducted by a reputable marketing agency, 231 of 1000 adults 19 years of age or older confessed to bringing and using their cell phone every trip to the bathroom (confessions included texting and answering phone calls) Complete parts (a) through (f) below. D. The marketing agency (e) Construct and interpret a 95% confidence interval for the population proportion of adults 19 years of age or older wh bring their cell phone every trip to the bathroom. Select the correct choice below and fill in any answer boxes within you choice. (Type integers or decimals rounded to three decimal places as needed. Use ascending order.) A. There is a % probability the proportion of adults 19 years of age or older who bring their cell phone every trip to the bathroom is between and B. We are 95% confident the proportion of adults 19 years of age or older who bring their cell phone every trip to the bathroom is between 0.205 and 0.257. (f) What ensures that the results of this study are representative of all adults 19 years of age or older? Select all that apply. A. The large sample size B. Sampling from adults 19 years of age or older C. Random sampling D. The high confidence level

In a survey conducted by a reputable marketing agency, 231 of 1000 adults 19 years of age or older confessed to bringing and using their cell phone every trip to the bathroom (confessions included texting and answering phone calls) Complete parts (a) through (f) below. D. The marketing agency (e) Construct and interpret a 95% confidence interval for the population proportion of adults 19 years of age or older wh bring their cell phone every trip to the bathroom. Select the correct choice below and fill in any answer boxes within you choice. (Type integers or decimals rounded to three decimal places as needed. Use ascending order.) A. There is a % probability the proportion of adults 19 years of age or older who bring their cell phone every trip to the bathroom is between and B. We are 95% confident the proportion of adults 19 years of age or older who bring their cell phone every trip to the bathroom is between 0.205 and 0.257. (f) What ensures that the results of this study are representative of all adults 19 years of age or older? Select all that apply. A. The large sample size B. Sampling from adults 19 years of age or older C. Random sampling D. The high confidence level

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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In a survey conducted by a reputable marketing agency, 231 of 1000 adults 19 years of age or older confessed to bringing and using their cell phone every trip to the bathroom (confessions included texting and answering phone calls). Complete parts (a) through (f) below. D. The marketing agency (e) Construct and interpret a 95% confidence interval for the population proportion of adults 19 years of age or older who bring their cell phone every trip to the bathroom. Select the correct choice below and fill in any answer boxes within your choice. (Type integers or decimals rounded to three decimal places as needed. Use ascending order.) A. There is a % probability the proportion of adults 19 years of age or older who bring their cell phone every trip to the bathroom is between and B. We are 95% confident the proportion of adults 19 years of age or older who bring their cell phone every trip to the bathroom is between 0.205 and 0.257 . (f) What ensures that the results of this study are representative of all adults 19 years of age or older? Select all that apply. A. The large sample size B. Sampling from adults 19 years of age or older C. Random sampling D. The high confidence level
Transcribed Image Text:In a survey conducted by a reputable marketing agency, 231 of 1000 adults 19 years of age or older confessed to bringing and using their cell phone every trip to the bathroom (confessions included texting and answering phone calls). Complete parts (a) through (f) below. D. The marketing agency (e) Construct and interpret a 95% confidence interval for the population proportion of adults 19 years of age or older who bring their cell phone every trip to the bathroom. Select the correct choice below and fill in any answer boxes within your choice. (Type integers or decimals rounded to three decimal places as needed. Use ascending order.) A. There is a % probability the proportion of adults 19 years of age or older who bring their cell phone every trip to the bathroom is between and B. We are 95% confident the proportion of adults 19 years of age or older who bring their cell phone every trip to the bathroom is between 0.205 and 0.257 . (f) What ensures that the results of this study are representative of all adults 19 years of age or older? Select all that apply. A. The large sample size B. Sampling from adults 19 years of age or older C. Random sampling D. The high confidence level
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