In a survey conducted by a reputable marketing agency, 229 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. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). O B. It is information obtained from a survey. Oc. Its value may change depending on the individuals in the survey. O D. The sample size is large. O E. It is being used to make inferences. What is the source of variability in the random variable? O A. Random errors VB. The individuals selected to be in the study O C. The question asked in the survey O D. The sample size (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.) O A. We are % confident the proportion of adults 19 years of age or older who bring their cell phone every trip to the bathroom is between and O 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 and
In a survey conducted by a reputable marketing agency, 229 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. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). O B. It is information obtained from a survey. Oc. Its value may change depending on the individuals in the survey. O D. The sample size is large. O E. It is being used to make inferences. What is the source of variability in the random variable? O A. Random errors VB. The individuals selected to be in the study O C. The question asked in the survey O D. The sample size (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.) O A. We are % confident the proportion of adults 19 years of age or older who bring their cell phone every trip to the bathroom is between and O 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 and
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Transcribed Image Text:In a survey conducted by a reputable marketing agency, 229 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.
Click here to view the standard normal distribution table (page 1).
Click here to view the standard normal distribution table (page 2).
O B. It is information obtained from a survey.
Oc. Its value may change depending on the individuals in the survey.
O D. The sample size is large.
O E. It is being used to make inferences.
What is the source of variability in the random variable?
O A. Random errors
VB. The individuals selected to be in the study
O C. The question asked in the survey
O D. The sample size
(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.)
O A. We are
% confident the proportion of adults 19 years of age or older who bring their cell phone every trip to the bathroom is between
and
O 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
and
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