a survey conducted by a reputable marketing agency, 257 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). Comp arts (a) through () below. Tick here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). A. The sample is the 1000 adults 19 years of age or older. (Type a whole number.) O B. The sample is all adults 19 years of age or older. O C. The sample is all adults. O D. The sample is all adults with a cell phone. 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 with a cell phone. O B. The population is the adults 19 years of age or older. (Type a whole number.) OC. The population is all adults. D. The population is all adults 19 years of age or older. (b) What is the variable of interest in this study? Is it qualitative or quantitative? The variable of interest is bringing one's cell phone every trip to the bathroom. This variable is qualitative with two outcomes because individuals are classified based on a characteristic. Question Viewer (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. (Round to three decimal places as needed.)
a survey conducted by a reputable marketing agency, 257 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). Comp arts (a) through () below. Tick here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). A. The sample is the 1000 adults 19 years of age or older. (Type a whole number.) O B. The sample is all adults 19 years of age or older. O C. The sample is all adults. O D. The sample is all adults with a cell phone. 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 with a cell phone. O B. The population is the adults 19 years of age or older. (Type a whole number.) OC. The population is all adults. D. The population is all adults 19 years of age or older. (b) What is the variable of interest in this study? Is it qualitative or quantitative? The variable of interest is bringing one's cell phone every trip to the bathroom. This variable is qualitative with two outcomes because individuals are classified based on a characteristic. Question Viewer (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. (Round to three decimal places as needed.)
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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9.1.31
a survey conducted by a reputable marketing agency, 257 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). Compl
arts (a) through () below.
lick here to view the standard normal distribution table (page 1).
Click here to view the standard normal distribution table (page 2).
A. The sample is the 1000 adults 19 years of age or older.
(Type a whole number.)
O B. The sample is all adults 19 years of age or older.
O C. The sample is all adults.
O D. The sample is all adults with a cell phone.
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 with a cell phone
O B. The population is the adults 19 years of age or older.
(Type a whole number.)
O C. The population is all adults.
&D. The population is all adults 19 years of age or older.
(b) What is the variable of interest in this study? Is it qualitative or quantitative?
The variable of interest is bringing one's cell phone every trip to the bathroom. This variable is qualitative with two outcomes because individuals are classified based on a characteristic.
Question Viewer
(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.
(Round to three decimal places as needed.)
Enter your answer in the answer box and then click Check Answer.
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