Conclude whether there is evidence that the proportion of adults who owns cellphone use their phones while watching TV is more than half of all adult cellphone users at a 0.05 level of significance.

Question

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Answer 1

Question

Chapter 9, Problem 71PS

a.

To determine

Conclude whether there is evidence that the proportion of adults who owns cellphone use their phones while watching TV is more than half of all adult cellphone users at a 0.05 level of significance.

b.

To determine

Determine whether the claim made by the authors is valid.

c.

To determine

Test the above hypothesis if the study found that 1000 of adult cellphone owners use their phone while watching TV.

To determine

Determine whether the claim made by the authors is valid.

d.

To determine

Compare the above results.

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Answer 2

Question

Chapter 9, Problem 71PS

a.

To determine

Conclude whether there is evidence that the proportion of adults who owns cellphone use their phones while watching TV is more than half of all adult cellphone users at a 0.05 level of significance.

b.

To determine

Determine whether the claim made by the authors is valid.

c.

To determine

Test the above hypothesis if the study found that 1000 of adult cellphone owners use their phone while watching TV.

To determine

Determine whether the claim made by the authors is valid.

d.

To determine

Compare the above results.

Expert Solution & Answer

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Answer 3

Question

Chapter 9, Problem 71PS

a.

To determine

Conclude whether there is evidence that the proportion of adults who owns cellphone use their phones while watching TV is more than half of all adult cellphone users at a 0.05 level of significance.

b.

To determine

Determine whether the claim made by the authors is valid.

c.

To determine

Test the above hypothesis if the study found that 1000 of adult cellphone owners use their phone while watching TV.

To determine

Determine whether the claim made by the authors is valid.

d.

To determine

Compare the above results.

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Answer 4

Question

Chapter 9, Problem 71PS

a.

To determine

Conclude whether there is evidence that the proportion of adults who owns cellphone use their phones while watching TV is more than half of all adult cellphone users at a 0.05 level of significance.

b.

To determine

Determine whether the claim made by the authors is valid.

c.

To determine

Test the above hypothesis if the study found that 1000 of adult cellphone owners use their phone while watching TV.

To determine

Determine whether the claim made by the authors is valid.

d.

To determine

Compare the above results.

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Answer 5

Chapter 9, Problem 71PS

a.

To determine

Conclude whether there is evidence that the proportion of adults who owns cellphone use their phones while watching TV is more than half of all adult cellphone users at a 0.05 level of significance.

b.

To determine

Determine whether the claim made by the authors is valid.

c.

To determine

Test the above hypothesis if the study found that 1000 of adult cellphone owners use their phone while watching TV.

To determine

Determine whether the claim made by the authors is valid.

d.

To determine

Compare the above results.

Answer 6

Chapter 9, Problem 71PS

a.

To determine

Conclude whether there is evidence that the proportion of adults who owns cellphone use their phones while watching TV is more than half of all adult cellphone users at a 0.05 level of significance.

Answer 7

Chapter 9, Problem 71PS

a.

To determine

Conclude whether there is evidence that the proportion of adults who owns cellphone use their phones while watching TV is more than half of all adult cellphone users at a 0.05 level of significance.

Answer 8

b.

To determine

Determine whether the claim made by the authors is valid.

Answer 9

b.

To determine

Determine whether the claim made by the authors is valid.

Answer 10

c.

To determine

Test the above hypothesis if the study found that 1000 of adult cellphone owners use their phone while watching TV.

Answer 11

c.

To determine

Test the above hypothesis if the study found that 1000 of adult cellphone owners use their phone while watching TV.

Answer 12

To determine

Determine whether the claim made by the authors is valid.

Answer 13

To determine

Determine whether the claim made by the authors is valid.

Answer 14

d.

To determine

Compare the above results.

Answer 15

d.

To determine

Compare the above results.

Answer 16

Expert Solution & Answer

Answer 17

Expert Solution & Answer

Answer 18

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Answer 19

Ch. 9 - If you use a 0.005 level of significance in a...Ch. 9 - If you use a 0.05 level of significance in a...Ch. 9 - If you use a 0.10 level of significance in a...Ch. 9 - If you use a 0.01 level of significance in a...Ch. 9 - What is your decision in problem 9.4 if...Ch. 9 - What is the p -value if, in a two-tail hypothesis...Ch. 9 - In problem 9.6, what is your statistical decision...Ch. 9 - What is the p-value if, in a two -tail hypothesis...Ch. 9 - In the U.S. legal system, a defendant is presumed...Ch. 9 - Suppose the defendant in Problem 9.9 is presumed...

Conclude whether there is evidence that the proportion of adults who owns cellphone use their phones while watching TV is more than half of all adult cellphone users at a 0.05 level of significance.

Solution Summary: The author concludes that the proportion of adults who owns cellphone use their phones while watching TV is more than half of all adult cellphone users.

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Conclude whether there is evidence that the proportion of adults who owns cellphone use their phones while watching TV is more than half of all adult cellphone users at a 0.05 level of significance.

Determine whether the claim made by the authors is valid.

Test the above hypothesis if the study found that 1000 of adult cellphone owners use their phone while watching TV.

Determine whether the claim made by the authors is valid.

Compare the above results.

Want to see the full answer?

Chapter 9 Solutions