A poll found that 53% of a sample of 1170 teens in a certain large country go online several times a day. (Treat this...
A poll found that 53% of a sample of 1170 teens in a certain large country go online several times a day. (Treat this sample as a simple random sample.) Find the margin of error for this poll if we want 90% confidence in our estimate of the percent of teens in the country who go online several times a day. [ ]? - Round to one decimal place as needed
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A poll found that 53% of a sample of 1170 teens in a certain large country go online several times a day. (Treat this...
A poll found that 53% of a sample of 1170 teens in a certain large country...
A poll found that 53% of a sample of 1170 teens in a certain large country go online several times a day. (Treat this sample as a simple random sample.) Complete parts a through e below. a) Find the margin of error for this poll if we want 90% confidence in our estimate of the percent of teens in the country who go online several times a day. 24% (Round to one decimal place as needed.) b) Explain what the...
6.1.5 Question Help A research company polled a random sample of 528 teens about Internet use....
6.1.5 Question Help A research company polled a random sample of 528 teens about Internet use. 48 % of those teens reported going online several times a day-a fact of great interest to advertisers. Complete parts a through c below. a) Explain the meaning of p 0.48 in the context of this situation. O A. The meaning of p 0.48 is that the researchers have 95 % confidence that 48 % of the 528 teens in the sample said they...
A 2011 poll found that 72% of citizens of a certain country believe that high achieving...
A 2011 poll found that 72% of citizens of a certain country believe that high achieving high school students should be recruited to become teachers. This poll was based on a random sample of 1005 citizens. 1. Find a 90% confidence interval for the proportion of citizens who would agree with this. [ ]% - [ ]%? Type integers or decimals rounded to one decimal place as needed
A 2011 poll found that 78% of citizens of a certain country believe that high achieving...
A 2011 poll found that 78% of citizens of a certain country believe that high achieving high school students should be recruited to become teachers. This poll was based on a random sample of 1016 citizens. Complete parts a and b below. a) Find a 90% confidence interval for the proportion of citizens who would agree with this. b) Do these data refute a pundit's claim that 2/3 of citizens believe this statement? Explain.
A recent poll found that "433 of the 1548 randomly-selected adults questioned felt that unemployment compensation...
A recent poll found that "433 of the 1548 randomly-selected adults questioned felt that unemployment compensation should be extended an additional six months while the country is in its current economic downturn." We want to use this information to construct a 95% confidence interval to estimate the proportion of the U.S. adults who feel this way. (5 pts) Il. State the parameter our confidence interval will estimate and the point estimate. a. The first two conditions to construct a confidence...
4. During April 5-12, 2010, A CBS News/New York Times poll surveyed a sample of 1,580...
4. During April 5-12, 2010, A CBS News/New York Times poll surveyed a sample of 1,580 adult Americans. 40% of those surveyed believed current gun control laws should be made more strict. a. Construct a 95% confidence interval for the proportion of all adult Americans who believe gun control laws should be made more strict. State the width and the margin of error for this confidence interval. [6] b. What would happen to the margin of error if the confidence...
41. A poll showed that 5757% of randomly surveyed adults in a certain country said their...
41. A poll showed that 5757% of randomly surveyed adults in a certain country said their country benefits from having a rich class. Complete parts (a) through (h) below.a. Assuming the sample size was 400400, how many would have said that their country benefits from having a rich class?Assuming the sample size was 400400, nothing people in the sample would have said that their country benefits from having a rich class. (Round to the nearest integer as needed.) b. Is...
A survey of 2303 adults in a certain large country aged 18 and older conducted by...
A survey of 2303 adults in a certain large country aged 18 and
older conducted by a reputable polling organization found that 407
have donated bloood in the past two years. Complete parts (a)
through (c) below.
Thanks!
A survey of 2303 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 407 have donated blo lick here to view page 1). Click here to view the standard normal distribution table (page...
question 1. A random sample of 1002 adults in a certain large country was asked "...
question 1. A random sample of 1002 adults in a certain large country was asked " do you pretty much think televisions are necessity or a luxury you could do without?" Of the 1002 adults surveyed, 511 indicated that televisions are a luxury they could do without. Complete parts (a) through (e) below question 2. A researcher wishes to estimate the proportion of adults who have high-speed Internet access. What size sample should be obtained if she wishes the estimate...
A survey of 2324 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 419 have donated blood in the past two years
A survey of 2324 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 419 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. (b) Verify that the requirements for constructing a confidence interval about p are satisfied. The sample _______ a simple...
A poll found that 53% of a sample of 1170 teens in a certain large country go online several times a day. (Treat this sample as a simple random sample.) Complete parts a through e below. a) Find the margin of error for this poll if we want 90% confidence in our estimate of the percent of teens in the country who go online several times a day. 24% (Round to one decimal place as needed.) b) Explain what the...
6.1.5 Question Help A research company polled a random sample of 528 teens about Internet use. 48 % of those teens reported going online several times a day-a fact of great interest to advertisers. Complete parts a through c below. a) Explain the meaning of p 0.48 in the context of this situation. O A. The meaning of p 0.48 is that the researchers have 95 % confidence that 48 % of the 528 teens in the sample said they...
A recent poll found that "433 of the 1548 randomly-selected adults questioned felt that unemployment compensation should be extended an additional six months while the country is in its current economic downturn." We want to use this information to construct a 95% confidence interval to estimate the proportion of the U.S. adults who feel this way. (5 pts) Il. State the parameter our confidence interval will estimate and the point estimate. a. The first two conditions to construct a confidence...
4. During April 5-12, 2010, A CBS News/New York Times poll surveyed a sample of 1,580 adult Americans. 40% of those surveyed believed current gun control laws should be made more strict. a. Construct a 95% confidence interval for the proportion of all adult Americans who believe gun control laws should be made more strict. State the width and the margin of error for this confidence interval. [6] b. What would happen to the margin of error if the confidence...
A survey of 2303 adults in a certain large country aged 18 and
older conducted by a reputable polling organization found that 407
have donated bloood in the past two years. Complete parts (a)
through (c) below.
Thanks!
A survey of 2303 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 407 have donated blo lick here to view page 1). Click here to view the standard normal distribution table (page...
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