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in a survey conducted by a reputable marketing agency, 277 of 1000 adults 19 years of age or older confessed to bringing and using the cen texting and answering phone calls) Complete parts (a) through (f) below. What is the source of variability in the random variable? A. The marketing agency B. The sample size DC The question asked in the survey VD The individuals selected to be in the study (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 ch 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. 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 249 and 306

in a survey conducted by a reputable marketing agency, 277 of 1000 adults 19 years of age or older confessed to bringing and using the cen texting and answering phone calls) Complete parts (a) through (f) below. What is the source of variability in the random variable? A. The marketing agency B. The sample size DC The question asked in the survey VD The individuals selected to be in the study (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 ch 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. 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 249 and 306

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, 277 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. What is the source of variability in the random variable? OA. The marketing agency OB. The sample size C. The question asked in the survey D. individuals selected to be the study ... (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. 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 249 and 306 B. 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 (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. Random sampling B. The high confidence level c. Sampling from adults 19 years of age or older D. The large sample size and
Transcribed Image Text:In a survey conducted by a reputable marketing agency, 277 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. What is the source of variability in the random variable? OA. The marketing agency OB. The sample size C. The question asked in the survey D. individuals selected to be the study ... (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. 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 249 and 306 B. 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 (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. Random sampling B. The high confidence level c. Sampling from adults 19 years of age or older D. The large sample size and
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