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, 516 indicated that televisions are a luxury they could do without. Complete parts (a) through (e) below. Click here to view the standard normal distribution table (page 1). LOADING... Click here to view the standard normal distribution table (page 2). LOADING... (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. ModifyingAbove p with caretequals nothing (Round to three decimal places as needed.) (b) Verify that the requirements for constructing a confidence interval about p are satisfied. The sample ▼ is stated to be can be assumed to be is stated to not be cannot be assumed to be a simple random sample, the value of ▼ n ModifyingAbove p with caret n ModifyingAbove p with caret left parenthesis 1 minus ModifyingAbove p with caret right parenthesis n ModifyingAbove p with caret left parenthesis 1 minus ModifyingAbove p with caret right parenthesis ModifyingAbove p with caret is nothing, which is ▼ less than greater than or equal to 10, and the ▼ population size sample size sample proportion population proportion ▼ is stated to be is stated to not be can be assumed to be cannot be assumed to be less than or equal to 5% of the ▼ sample size. sample proportion. population size. population 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. There is a nothing% chance the proportion of adults in the country who believe that televisions are a luxury they could do without is between nothing and nothing. B. 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. (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 ▼ not possible likely possible, but not likely that a supermajority of adults in the country believe that television is a luxury they could do without because the 95% confidence interval ▼ does not contain contains nothing. (Type an integer or a decimal. Do not round.) (e) Use the results of part (c) to construct a 95% confidence interval for the population proportion of adults in the country who believe that televisions are a necessity. The 95% confidence interval is ( nothing, nothing). (Round to three decimal places as needed.) Click to select your answer(s).

Answer #1

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, 524
indicated that televisions are a luxury they could do without.
Complete parts (a) through (e) below. Click here to view the
standard normal distribution table (page 1). LOADING... Click here
to view the standard normal distribution table (page 2). LOADING...
(a) Obtain a point estimate...

A random sample of 1028 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 1028 adults surveyed, 528
indicated that televisions are a luxury they could do without.
Complete parts (a) through (e) below. Click here to view the
standard normal distribution table (page 1).LOADING... Click here
to view the standard normal distribution table (page 2).LOADING...
(a) Obtain a point estimate for the...

A random sample of 1016 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 1016 adults? surveyed, 533
indicated that televisions are a luxury they could do without.
Complete parts? (a) through? (c) below. Click here to view the
standard normal distribution table (page 1). LOADING... Click here
to view the standard normal distribution table (page 2). LOADING...
?(a) Obtain a point estimate...

A random sample of 1021 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 1021 adults surveyed, 511
indicated that televisions are a luxury they could do without.
Complete parts (a) through (c) below. Click here to view the
standard normal distribution table (page 1). LOADING... Click here
to view the standard normal distribution table (page 2). LOADING...
(a) Obtain a point estimate...

A survey of 2276 adults in a certain large country aged 18 and
older conducted by a reputable polling organization found that 409
have donated blood in the past two years. Complete parts (a)
through (c) below.
a) Obtain a point estimate for the population proportion of
adults in the country aged 18 and older who have donated blood in
the past two years. Modifying Above p with caret equals __ (Round
to three decimal places as needed.)
(b) Verify...

According to a survey in a country, 39% of adults do not own a
credit card. Suppose a simple random sample of 300 adults is
obtained. Complete parts (a) through (d) below. (a) Describe the
sampling distribution of ModifyingAbove p with caret, the sample
proportion of adults who do not own a credit card. Choose the
phrase that best describes the shape of the sampling distribution
of ModifyingAbove p with caret below. A. Not normal because n less
than or...

1. A random sample of 640 adults in a large country was asked
“Do you need a haircut?” Of the 640 adults surveyed, 283 indicated
that they need a haircut.
1a. Check the requirements needed to construct a confidence
interval for the population proportion.
1b. Find a 95% confidence interval for the population proportion
of adults who need a haircut.
1c. Could exactly 25% of the country need a haircut?
2. In a survey of 2000 students, 1638 of them...

A survey of 2315 adults in a certain large country aged 18 and
older conducted by a reputable polling organization found that 416
have donated blood in the past two years. Complete parts (a)and (b)
below. Click here to view the standard normal distribution table
(page 1). LOADING... Click here to view the standard normal
distribution table (page 2). LOADING... (a) Obtain a point estimate
for the population proportion of adults in the country aged 18 and
older who have...

According to a survey in a country, 27% of adults do not own a
credit card. Suppose a simple random sample of 500 adults is
obtained. Complete parts (a) through (d) below.
(a) Describe the sampling distribution of
ModifyingAbove p with caretp,
the sample proportion of adults who do not own a credit card.
Choose the phrase that best describes the shape of the sampling
distribution of
ModifyingAbove p with caretp
below.
A.Approximately normal because
n less than or equals...

According to a survey in a country, 2727% of adults do not own
a credit card. Suppose a simple random sample of 900900 adults is
obtained. Complete parts (a) through (d) below. (a) Describe the
sampling distribution of ModifyingAbove p with caretp, the sample
proportion of adults who do not own a credit card. Choose the
phrase that best describes the shape of the sampling distribution
of ModifyingAbove p with caretp below. A. Approximately normal
because n less than or...

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