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In a survey conducted by a reputable marketing agency, 258 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. C (a) What is the sample in this study? What is the population of interest? Determine the sample in this study. Select the correct choice below and, if necessary, fill in the answer box within your choice. adults 19 years of age or older. OA. The sample is all adults with a cell phone. OB. The sample is all adults 19 years of age or older. OC. The sample is the adults 19 years of age or older. (Type a whole number.) O D. The sample is all adults. Determine the population of interest. Select the correct choice below and, if necessary, fill in the answer box within your choice. OA. The population is all adults. OB. The population is all adults 19 years of age or older. OC. The population is all adults with a cell phone. OD. The population is the (Type a whole number.) (b) What is the variable of interest in this study? Is it qualitative or quantitative? The variable of interest is This variable is because (c) Based on the results of this survey, obtain a point estimate for the proportion of adults 19 years of age or older who bring their cell phone every trip to the bathroom. p=0 (Round to three decimal places as needed.)

In a survey conducted by a reputable marketing agency, 258 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. C (a) What is the sample in this study? What is the population of interest? Determine the sample in this study. Select the correct choice below and, if necessary, fill in the answer box within your choice. adults 19 years of age or older. OA. The sample is all adults with a cell phone. OB. The sample is all adults 19 years of age or older. OC. The sample is the adults 19 years of age or older. (Type a whole number.) O D. The sample is all adults. Determine the population of interest. Select the correct choice below and, if necessary, fill in the answer box within your choice. OA. The population is all adults. OB. The population is all adults 19 years of age or older. OC. The population is all adults with a cell phone. OD. The population is the (Type a whole number.) (b) What is the variable of interest in this study? Is it qualitative or quantitative? The variable of interest is This variable is because (c) Based on the results of this survey, obtain a point estimate for the proportion of adults 19 years of age or older who bring their cell phone every trip to the bathroom. p=0 (Round to three decimal places as needed.)

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, 258 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. (a) What is the sample in this study? What is the population of interest? Determine the sample in this study. Select the correct choice below and, if necessary, fill in the answer box within your choice. A. The sample is all adults with a cell phone. B. The sample is all adults 19 years of age or older. C. The sample is the adults 19 years of age or older. (Type a whole number.) D. The sample is all adults. Determine the population of interest. Select the correct choice below and, if necessary, fill in the answer box within your choice. O A. The population is all adults. B. The population is all adults 19 years of age or older. C. The population is all adults with a cell phone. D. The population is the adults 19 years of age or older. (Type a whole number.) (b) What is the variable of interest in this study? Is it qualitative or quantitative? The variable of interest is This variable is p= (Round to three decimal places as needed.) because (c) Based on the results of this survey, obtain a point estimate for the proportion of adults 19 years of age or older who bring their cell phone every trip to the bathroom.
Transcribed Image Text:In a survey conducted by a reputable marketing agency, 258 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. (a) What is the sample in this study? What is the population of interest? Determine the sample in this study. Select the correct choice below and, if necessary, fill in the answer box within your choice. A. The sample is all adults with a cell phone. B. The sample is all adults 19 years of age or older. C. The sample is the adults 19 years of age or older. (Type a whole number.) D. The sample is all adults. Determine the population of interest. Select the correct choice below and, if necessary, fill in the answer box within your choice. O A. The population is all adults. B. The population is all adults 19 years of age or older. C. The population is all adults with a cell phone. D. The population is the adults 19 years of age or older. (Type a whole number.) (b) What is the variable of interest in this study? Is it qualitative or quantitative? The variable of interest is This variable is p= (Round to three decimal places as needed.) because (c) Based on the results of this survey, obtain a point estimate for the proportion of adults 19 years of age or older who bring their cell phone every trip to the bathroom.
10/9/23.5:14 PM Standard Normal Distributio https://mylab.pearson.com/Student/PlayerTest.aspx?testId=256696269 S Standard Normal Distribution Table (page 1) 1/1
Transcribed Image Text:10/9/23.5:14 PM Standard Normal Distributio https://mylab.pearson.com/Student/PlayerTest.aspx?testId=256696269 S Standard Normal Distribution Table (page 1) 1/1
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OE. It is information obtained from a survey. What is the source of variability the random variable? A. Random errors B. The sample size C. The individuals selected to be in the study D. The question asked in the survey (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 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 (f) What ensures that the results of this study are representative of all adults 19 years of age or older? A. The large sample size B. The high confidence level C. Random sampling D. Sampling from adults 19 years of age or older and and
Transcribed Image Text:OE. It is information obtained from a survey. What is the source of variability the random variable? A. Random errors B. The sample size C. The individuals selected to be in the study D. The question asked in the survey (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 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 (f) What ensures that the results of this study are representative of all adults 19 years of age or older? A. The large sample size B. The high confidence level C. Random sampling D. Sampling from adults 19 years of age or older and and
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