A random sample of 1005 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 1005 adults surveyed, 511 indicated that televisions are a luxury they could do without. Complete parts (a) through (d) below. Click here to view the standard normal distribution table (nage 1) Click here to view the standard normal distribution table (page 2). (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.) O A. We are % confident the proportion of adults in the country who believe that televisions are a luxury they could do without is between and O B. There is a % chance the proportion of adults in the country who believe that televisions are a luxury they could do without Ts between and (d) Is it possible that a supermajority (more than 60%) of adults in the country believe that television is a luxury they could do without? Is it likely? It is that a supermajority of adults in the country believe that television is a luxury they could do without because the 95% confidence interval (Type an integer or a decimal. Do not round.) 分 Sign out 2 US V D 9:23 hp esc Ce 23 2$ % & 大 ( ba 1 2 4 5 6 7 9. 9 le r t y A random sample of 1005 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 1005 adults surveyed, 511 indicated that televisions are a luxury they could do without. Complete parts (a) through (d) below. Click here to view the standard normal distribution table nage 1) Click here to view the standard normal distribution table (page 2). (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. (Round to three decimal places as needed.) (b) Verify that the requirements for constructing a confidence interval about p are satisfied. The sample a simple random sample, the value of is | which is 10, and the less than or equal to 5% of the (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.) Sign out US O 9:23 hp esc # 2$ 大 ( ) 1 2 3 5 6 7 8 9- backspa 9 е r t y { u p [

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Question
A random sample of 1005 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 1005 adults surveyed, 511 indicated that televisions are a luxury
they could do without. Complete parts (a) through (d) below.
Click here to view the standard normal distribution table (nage 1)
Click here to view the standard normal distribution table (page 2).
(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.)
O A. We are
% confident the proportion of adults in the country who believe that televisions are a luxury they could do without is between
and
O B. There is a
% chance the proportion of adults in the country who believe that televisions are a luxury they could do without Ts between
and
(d) Is it possible that a supermajority (more than 60%) of adults in the country believe that television is a luxury they could do without? Is it likely?
It is
that a supermajority of adults in the country believe that television is a luxury they could do without because the 95% confidence interval
(Type an integer or a decimal. Do not round.)
分
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Transcribed Image Text:A random sample of 1005 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 1005 adults surveyed, 511 indicated that televisions are a luxury they could do without. Complete parts (a) through (d) below. Click here to view the standard normal distribution table (nage 1) Click here to view the standard normal distribution table (page 2). (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.) O A. We are % confident the proportion of adults in the country who believe that televisions are a luxury they could do without is between and O B. There is a % chance the proportion of adults in the country who believe that televisions are a luxury they could do without Ts between and (d) Is it possible that a supermajority (more than 60%) of adults in the country believe that television is a luxury they could do without? Is it likely? It is that a supermajority of adults in the country believe that television is a luxury they could do without because the 95% confidence interval (Type an integer or a decimal. Do not round.) 分 Sign out 2 US V D 9:23 hp esc Ce 23 2$ % & 大 ( ba 1 2 4 5 6 7 9. 9 le r t y
A random sample of 1005 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 1005 adults surveyed, 511 indicated that televisions are a luxury
they could do without. Complete parts (a) through (d) below.
Click here to view the standard normal distribution table nage 1)
Click here to view the standard normal distribution table (page 2).
(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.
(Round to three decimal places as needed.)
(b) Verify that the requirements for constructing a confidence interval about p are satisfied.
The sample
a simple random sample, the value of
is
| which is
10, and the
less than or equal to 5% of the
(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.)
Sign out
US
O 9:23
hp
esc
#
2$
大
(
)
1
2
3
5
6
7
8
9-
backspa
9
е
r
t
y
{
u
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[
Transcribed Image Text:A random sample of 1005 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 1005 adults surveyed, 511 indicated that televisions are a luxury they could do without. Complete parts (a) through (d) below. Click here to view the standard normal distribution table nage 1) Click here to view the standard normal distribution table (page 2). (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. (Round to three decimal places as needed.) (b) Verify that the requirements for constructing a confidence interval about p are satisfied. The sample a simple random sample, the value of is | which is 10, and the less than or equal to 5% of the (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.) Sign out US O 9:23 hp esc # 2$ 大 ( ) 1 2 3 5 6 7 8 9- backspa 9 е r t y { u p [
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