4. According to a recent national Gallup Poll of U.S. smartphone users, 57% upgrade their cell phone every two years. Use this information to answer the following questions. 'Show all work. Be sure to include your probability and calculator statements for the questions where indicated. Determine the probability (to 4 decimal places) that: A. exactly 8 users out of 15 smartphone users do not upgrade their cell phones every two years. Probability statement: State question using probability notation: P( Calculator Function w/values: (List TI caleulator function with values used to sobve this problem.] B. at most 7 users of 15 smartphone users upgrade their cell phones every 2 years. Probability statement: State question using probability notation: P( I Calculator Function w/values: (List TI calculator function with values used to solve this problem] c. between 10 and 12 users, inclusive, of the 15 smartphone users do not upgrade their cell phones every two years. Probability statement: ĮState question using prohability notation: P( Cakculator Function w/values: (List TI calculator function with values used to solve this problem. D. at least 1 user out of the 15 smartphone users do not upgrade their cell phones every two years. Probability statement: State question using probability notation: P( )| Cakulator Function w/values: (List TI calkulator function with values used E. Would it be unusual if more than 13 of the 15 smartphone users upgrade their cell phones every two years? Explain why or why not. Support your answer with pertinent probability calculations. Probability statement: IState question using probability notation: P(O Calculator Function w/values: [List TI caleulator function with values used to solve this problem.
4. According to a recent national Gallup Poll of U.S. smartphone users, 57% upgrade their cell phone every two years. Use this information to answer the following questions. 'Show all work. Be sure to include your probability and calculator statements for the questions where indicated. Determine the probability (to 4 decimal places) that: A. exactly 8 users out of 15 smartphone users do not upgrade their cell phones every two years. Probability statement: State question using probability notation: P( Calculator Function w/values: (List TI caleulator function with values used to sobve this problem.] B. at most 7 users of 15 smartphone users upgrade their cell phones every 2 years. Probability statement: State question using probability notation: P( I Calculator Function w/values: (List TI calculator function with values used to solve this problem] c. between 10 and 12 users, inclusive, of the 15 smartphone users do not upgrade their cell phones every two years. Probability statement: ĮState question using prohability notation: P( Cakculator Function w/values: (List TI calculator function with values used to solve this problem. D. at least 1 user out of the 15 smartphone users do not upgrade their cell phones every two years. Probability statement: State question using probability notation: P( )| Cakulator Function w/values: (List TI calkulator function with values used E. Would it be unusual if more than 13 of the 15 smartphone users upgrade their cell phones every two years? Explain why or why not. Support your answer with pertinent probability calculations. Probability statement: IState question using probability notation: P(O Calculator Function w/values: [List TI caleulator function with values used to solve this problem.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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![4. According to a recent national Gallup Poll of U.S. smartphone users, 57% upgrade their cell phone every two years.
Use this information to answer the following questions. 'Show all work. Be sure to include your probability and
calculator statements for the questions where indicated.
Determine the probability (to 4 decimal places) that:
A. exactly 8 users out of 15 smartphone users do not upgrade their cell phones every two years.
Probability statement:
State question using probability notation: P(
Calculator Function w/values:
(List TI caleulator function with values used to sobve this problem.]
B. at most 7 users of 15 smartphone users upgrade their cell phones every 2 years.
Probability statement:
State question using probability notation: P( I
Calculator Function w/values:
(List TI calculator function with values used to solve this problem]
c. between 10 and 12 users, inclusive, of the 15 smartphone users do not upgrade their cell phones every two years.
Probability statement:
ĮState question using prohability notation: P(
Cakculator Function w/values:
(List TI calculator function with values used to solve this problem.
D. at least 1 user out of the 15 smartphone users do not upgrade their cell phones every two years.
Probability statement:
State question using probability notation: P( )|
Cakulator Function w/values:
(List TI calkulator function with values used
E. Would it be unusual if more than 13 of the 15 smartphone users upgrade their cell phones every two years? Explain
why or why not. Support your answer with pertinent probability calculations.
Probability statement:
IState question using probability notation: P(O
Calculator Function w/values:
[List TI caleulator function with values used to solve this problem.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8c4811d0-c10d-4cc4-a20d-9fe861f3e2a2%2F8524d7fc-f4a0-4b83-baa4-b15c4d8839c9%2F8r809r.png&w=3840&q=75)
Transcribed Image Text:4. According to a recent national Gallup Poll of U.S. smartphone users, 57% upgrade their cell phone every two years.
Use this information to answer the following questions. 'Show all work. Be sure to include your probability and
calculator statements for the questions where indicated.
Determine the probability (to 4 decimal places) that:
A. exactly 8 users out of 15 smartphone users do not upgrade their cell phones every two years.
Probability statement:
State question using probability notation: P(
Calculator Function w/values:
(List TI caleulator function with values used to sobve this problem.]
B. at most 7 users of 15 smartphone users upgrade their cell phones every 2 years.
Probability statement:
State question using probability notation: P( I
Calculator Function w/values:
(List TI calculator function with values used to solve this problem]
c. between 10 and 12 users, inclusive, of the 15 smartphone users do not upgrade their cell phones every two years.
Probability statement:
ĮState question using prohability notation: P(
Cakculator Function w/values:
(List TI calculator function with values used to solve this problem.
D. at least 1 user out of the 15 smartphone users do not upgrade their cell phones every two years.
Probability statement:
State question using probability notation: P( )|
Cakulator Function w/values:
(List TI calkulator function with values used
E. Would it be unusual if more than 13 of the 15 smartphone users upgrade their cell phones every two years? Explain
why or why not. Support your answer with pertinent probability calculations.
Probability statement:
IState question using probability notation: P(O
Calculator Function w/values:
[List TI caleulator function with values used to solve this problem.
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