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Cell phone usage differs by gender. The role of the cell

Statistics for Business and Economics | 12th Edition | ISBN: 9780321826237 | Authors: James T. McClave, P. George Benson, Terry T Sincich ISBN: 9780321826237 51

Solution for problem 107SE Chapter 8

Statistics for Business and Economics | 12th Edition

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Statistics for Business and Economics | 12th Edition | ISBN: 9780321826237 | Authors: James T. McClave, P. George Benson, Terry T Sincich

Statistics for Business and Economics | 12th Edition

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Problem 107SE

Problem 107SE

Cell phone usage differs by gender. The role of the cell phone in modern life was investigated by a Pew Internet & American Life Project (April 2006) survey. A total of 1,286 cell phone users were interviewed in the sample. One of the objectives was to compare male and female cell phone users. For example, 32% of men admitted they sometimes don’t drive safely while talking or texting on a cell phone compared to 25% of women. Also, 71% of men used their cell phone in an emergency compared to 77% of women. Assume that half (643) of the cell phone users in the sample were men and half (643) were women.

a. Describe the two populations of interest in the survey.

b. Give an estimate of the proportion of men and the proportion of women who sometimes do not drive safely while talking or texting on a cell phone.

c. Find a 90% confidence interval for the difference between the proportions of men and women who sometimes do not drive safely while talking or texting on a cell phone.

d. From your answer to part c, can you conclude that men are more likely than women to sometimes not drive safely while talking or texting on a cell phone? Explain.

e. Give an estimate of the proportion of men and the proportion of women who used their cell phone in an emergency.

f. Conduct a test to determine whether the proportions of men and women who used their cell phone in an emergency differ. Use α = .10.

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Chapter 8, Problem 107SE is Solved
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Textbook: Statistics for Business and Economics
Edition: 12
Author: James T. McClave, P. George Benson, Terry T Sincich
ISBN: 9780321826237

The answer to “Cell phone usage differs by gender. The role of the cell phone in modern life was investigated by a Pew Internet & American Life Project (April 2006) survey. A total of 1,286 cell phone users were interviewed in the sample. One of the objectives was to compare male and female cell phone users. For example, 32% of men admitted they sometimes don’t drive safely while talking or texting on a cell phone compared to 25% of women. Also, 71% of men used their cell phone in an emergency compared to 77% of women. Assume that half (643) of the cell phone users in the sample were men and half (643) were women.a. Describe the two populations of interest in the survey.b. Give an estimate of the proportion of men and the proportion of women who sometimes do not drive safely while talking or texting on a cell phone.c. Find a 90% confidence interval for the difference between the proportions of men and women who sometimes do not drive safely while talking or texting on a cell phone.d. From your answer to part c, can you conclude that men are more likely than women to sometimes not drive safely while talking or texting on a cell phone? Explain.e. Give an estimate of the proportion of men and the proportion of women who used their cell phone in an emergency.f. Conduct a test to determine whether the proportions of men and women who used their cell phone in an emergency differ. Use ? = .10.” is broken down into a number of easy to follow steps, and 253 words. This full solution covers the following key subjects: Cell, phone, Men, Women, talking. This expansive textbook survival guide covers 15 chapters, and 1631 solutions. Since the solution to 107SE from 8 chapter was answered, more than 294 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: Statistics for Business and Economics , edition: 12. The full step-by-step solution to problem: 107SE from chapter: 8 was answered by , our top Business solution expert on 07/21/17, 05:42AM. Statistics for Business and Economics was written by and is associated to the ISBN: 9780321826237.

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Cell phone usage differs by gender. The role of the cell