A random sample of 1002 adults in a certain large country was asked "Do you pretty much think televisions are a necessity or a luxury you could do without?" Of the 1002 adults surveyed, 514 indicated that televisions are a luxury they could do without. Complete the question. (a) Obtain a point estimate for the population proportion of adults in the country who believe that televisions are a luxury they could do without. p=nothing (Round to three decimal places as needed.) (b) Verify that the requirements for constructing a confidence interval about p are satisfied. The sample ▼ can be assumed to be is stated to be is stated to not be cannot be assumed to be a simple random sample, the value of ▼ n ModifyingAbove p with caret left parenthesis 1 minus ModifyingAbove p with caret right parenthesisnp1−p ModifyingAbove p with caret left parenthesis 1 minus ModifyingAbove p with caret right parenthesisp1−p nn n ModifyingAbove p with caretnp ModifyingAbove p with caretp is nothing, which is ▼ less than greater than or equal to 10, and the ▼ sample proportion sample size population proportion population size ▼ is stated to be cannot be assumed to be can be assumed to be is stated to not be less than or equal to 5% of the ▼ population size. sample size. population proportion. sample proportion. (Round to three decimal places as needed.) (c) Construct and interpret a 95% confidence interval for the population proportion of adults in the country who believe that televisions are a luxury they could do without. 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.) A. We are nothing% confident the proportion of adults in the country who believe that televisions are a luxury they could do without is between nothing and nothing. B. There is a nothing% probability the proportion of adults in the country who believe that televisions are a luxury they could do without is between nothing and nothing.

A random sample of 1002 adults in a certain large country was asked "Do you pretty much think televisions are a necessity or a luxury you could do without?" Of the 1002 adults surveyed, 514 indicated that televisions are a luxury they could do without. Complete the question. (a) Obtain a point estimate for the population proportion of adults in the country who believe that televisions are a luxury they could do without. p=nothing (Round to three decimal places as needed.) (b) Verify that the requirements for constructing a confidence interval about p are satisfied. The sample ▼ can be assumed to be is stated to be is stated to not be cannot be assumed to be a simple random sample, the value of ▼ n ModifyingAbove p with caret left parenthesis 1 minus ModifyingAbove p with caret right parenthesisnp1−p ModifyingAbove p with caret left parenthesis 1 minus ModifyingAbove p with caret right parenthesisp1−p nn n ModifyingAbove p with caretnp ModifyingAbove p with caretp is nothing, which is ▼ less than greater than or equal to 10, and the ▼ sample proportion sample size population proportion population size ▼ is stated to be cannot be assumed to be can be assumed to be is stated to not be less than or equal to 5% of the ▼ population size. sample size. population proportion. sample proportion. (Round to three decimal places as needed.) (c) Construct and interpret a 95% confidence interval for the population proportion of adults in the country who believe that televisions are a luxury they could do without. 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.) A. We are nothing% confident the proportion of adults in the country who believe that televisions are a luxury they could do without is between nothing and nothing. B. There is a nothing% probability the proportion of adults in the country who believe that televisions are a luxury they could do without is between nothing and nothing.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Concept explainers

Question

A random sample of

1002

adults in a certain large country was asked "Do you pretty much think televisions are a necessity or a luxury you could do without?" Of the

1002

adults surveyed,

514

indicated that televisions are a luxury they could do without. Complete the question.

(a) Obtain a point estimate for the population proportion of adults in the country who believe that televisions are a luxury they could do without.

p=nothing

(Round to three decimal places as needed.)

(b) Verify that the requirements for constructing a confidence interval about p are satisfied.

The sample

▼

can be assumed to be

is stated to be

is stated to not be

cannot be assumed to be

a simple random sample, the value of

▼

n ModifyingAbove p with caret left parenthesis 1 minus ModifyingAbove p with caret right parenthesisnp1−p

ModifyingAbove p with caret left parenthesis 1 minus ModifyingAbove p with caret right parenthesisp1−p

n ModifyingAbove p with caretnp

ModifyingAbove p with caretp

nothing,

which is

▼

less than

greater than or equal to

10, and the

▼

sample proportion

sample size

population proportion

population size

▼

is stated to be

cannot be assumed to be

can be assumed to be

is stated to not be

less than or equal to 5% of the

▼

population size.

sample size.

population proportion.

sample proportion.

(Round to three decimal places as needed.)

95%

confidence interval for the population proportion of adults in the country who believe that televisions are a luxury they could do without. 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.)

We are

nothing%

confident the proportion of adults in the country who believe that televisions are a luxury they could do without is between

nothing

and

nothing.

There is a

nothing%

probability the proportion of adults in the country who believe that televisions are a luxury they could do without is between

nothing

and

nothing.

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