Homework Answers
Add Answer to:
a simple random sample of 511 adults were asked if they agreed
medical
A simple random...
What percent of eligible Americans vote? In 2008, a random sample of 500 American adults was...
What percent of eligible Americans vote? In 2008, a random sample of 500 American adults was taken and we found that 68% of them voted. How many of the 500 adults in the sample voted? Now construct a 95% confidence interval estimate of the population percent of Americans that vote and write a sentence to explain the confidence interval.
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 Pew Research Center poll surveyed a random sample 850 voters and asked them if they...
A Pew Research Center poll surveyed a random sample 850 voters and asked them if they support legalizing the use of marijuana. A Gallup poll surveyed a random sample of 1200 voters, from the same population that the Pew Research Center surveyed from, and asked the same question about legalizing the use of marijuana. Assume that the sample proportion who support legalizing the use of marijuana is exactly the same for each poll. If each poll goes on to construct...
A simple random sample of 500 individuals provides 100 Yes responses. a. What is the point...
A simple random sample of 500 individuals provides 100 Yes responses. a. What is the point estimate of the proportion of the population that would provide Yes responses (to 3 decimals, if needed)? b. What is your estimate of the standard error of the proportion (to 4 decimals)? c. Compute the 95% confidence interval for the population proportion (to 3 decimals). ( , ) The Consumer Reports National Research Center conducted a telephone survey of 2,000 adults to learn about...
o A random sample of 1015 adults in a certain large country was asked "Do you...
o A random sample of 1015 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 1015 adults surveyed, 512 indicated that televisions are a luxury they could do without Complete parts (a) through (0) below. Growth andardroge Click to view the standard normal distriton tablete (a) Obtain a point estimate for the population proportion of adults in the country who believe that televisions...
A random sample of 1028 adults in a certain large country was asked "Do you pretty...
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, 527 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). Click here to view the standard normal distribution table (page 2). (a) Obtain a point estimate for the...
In a poll to estimate presidential popularity, each person in a random sample of 1,230 voters...
In a poll to estimate presidential popularity, each person in a random sample of 1,230 voters was asked to agree with one of the following statements: 1. The president is doing a good job. 2. The president is doing a poor job. 3. I have no opinion. A total of 525 respondents selected the first statement, indicating they thought the president was doing a good job. a. Construct a 98% confidence interval for the proportion of respondents who feel the...
A random sample of 1007 adults in a certain large country was asked "Do you pretty...
A random sample of 1007 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 1007 adults surveyed, 522 indicated that televisions are a luxury they could do without. Complete parts (a) through (e) below. (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 with caret p...
Question A only 4. A simple random sample of 50 adults (including males and females) is...
Question A only
4. A simple random sample of 50 adults (including males and females) is obtained, and each person's red blood cell count (in cells per micro-liter) is measured. The sample mean is 4.63, The population standard deviation for red blood cell counts is 0.54. a. Find the best point estimate of the mean red blood cell count of adults. 2mks b. Construct a 99% confidence interval estimate of the mean red blood cell count of adults 4mks
A newspaper reported on the results of an opinion poll in which adults were asked what...
A newspaper reported on the results of an opinion poll in which adults were asked what one thing they are most likely to do when they are home sick with a cold or the flu. In the survey, 64% said that they are most likely to sleep and 13% said that they would watch television. Although the sample size was not reported, typically opinion polls include approximately 1,000 randomly selected respondents. a. Assuming a sample size of 1,000 for this...
o A random sample of 1015 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 1015 adults surveyed, 512 indicated that televisions are a luxury they could do without Complete parts (a) through (0) below. Growth andardroge Click to view the standard normal distriton tablete (a) Obtain a point estimate for the population proportion of adults in the country who believe that televisions...
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, 527 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). Click here to view the standard normal distribution table (page 2). (a) Obtain a point estimate for the...
Question A only
4. A simple random sample of 50 adults (including males and females) is obtained, and each person's red blood cell count (in cells per micro-liter) is measured. The sample mean is 4.63, The population standard deviation for red blood cell counts is 0.54. a. Find the best point estimate of the mean red blood cell count of adults. 2mks b. Construct a 99% confidence interval estimate of the mean red blood cell count of adults 4mks
A newspaper reported on the results of an opinion poll in which adults were asked what one thing they are most likely to do when they are home sick with a cold or the flu. In the survey, 64% said that they are most likely to sleep and 13% said that they would watch television. Although the sample size was not reported, typically opinion polls include approximately 1,000 randomly selected respondents. a. Assuming a sample size of 1,000 for this...
Most questions answered within 3 hours.
-
(63
#14)
which of the following statments best describes how chamging
the concentration of the substances...
asked 2 hours ago -
In the following reaction, which element is undergoing
oxidation: Na2SO3 + N2O --> N2 + Na2SO4...
asked 3 hours ago -
Which of the following pairs of ions have the same electron
configuration?
I: Br− and Se2−...
asked 6 hours ago -
The Foremost Composite Materials Company is planning a two-day
sales conference for October 19-20. The conference...
asked 6 hours ago -
3) Illustrate the observed pattern of relatedness of organisms
versus adaptations to specific conditions. This means...
asked 7 hours ago -
In winter a lake has a 0.35 m thick ice layer over 1.10 m of
water....
asked 7 hours ago -
Assuming the following has been encrypted with a Vigenere cipher
below, use the method(s) and assumptions...
asked 8 hours ago -
How would I use switch statements to write a program that will
take an input of...
asked 8 hours ago -
Imagine a reaction in which methane gas combusts at a constant
pressure of 1 atm and...
asked 8 hours ago -
Two parallel wires (each 12 m in length) are separated by a
distance of 0.065 m...
asked 8 hours ago -
Suppose there were three masses at the corner of uniform
equilateral triangle. The masses are m1...
asked 8 hours ago -
Situation: A building that is 618 m above the ground floor. How
many times would a...
asked 8 hours ago