Employer-based health insurance A report from a Gallup poll1 in 2011 started by saying, "Forty-five percent of American adults reported getting their health insurance from an employer..." Later in the article we find information on the sampling method, "a random sample of 147,291 adults, aged 18 and over, living in the US," and a sentence about the accuracy of the results, "the maximum margin of sampling error is ±1 percentage point." Use the margin of error2 to give an interval estimate for the parameter of interest. Enter the exact answers. The interval is

Q: Pg94 #4. Nominal Data When the Indianapolis Colts recently won the Super Bowl, the numbers on the…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: (a) Find the mean of p. (b) Find the standard deviation of p. (c) Compute an approximation for P…

A:

Q: The XYZ Corporation is interested in possible differences in days worked by salaried employees in…

A: State the hypotheses. That is, the mean annual attendance rates the same for employees in these…

Q: What is the standard error of the sampling dis- tribution of the mean for the following? a. o, = 48,…

A:

Q: Samuel F.B. Morse (1791 – 1872), the creator of Morse Code, claimed that 12% of all letters used in…

A: The population proportion is 0.12. That is, p=0.12.

Q: Consider the following: at Bernhardt College, 200 (of the 3,000) students were polled and asked how…

A: From the given information, At Bernhardt College, 200 (of the 3,000) students were polled and asked…

Q: Construct a sample (with at least two different values in the set) of 55 measurements whose mean is…

A: We will have to keep 55 measurements in the set. And the mean has to be equal to the median.  Let…

Q: Given the sample −1, 10, 0, 11, add one more sample value that will neither change the mean nor the…

A:

Q: The XYZ Corporation is interested in possible differences in days worked by salaried employees in…

A:

Q: A poll in Canada states that 67% of all respondents favor imposing the death penalty. The poll was…

A: Given that - A poll in Canada states that 67% of all respondents favor imposing the death penalty.…

Q: The symbol represents the mean of all possible sample proportions from samples of size n. False True

A: In this case, we need to identify the given statement is true or not.

Q: When would a researcher use a judgment, or purposive, sample?

A: We know that  Judgement sampling -  It is the non probability sampling technique . Here researcher…

Q: Which of the following methods helps reduce sampling bias? O a. Take a random sample from a…

A: It is needed to find the method that reduces sampling bias.

Q: If I have a sample of people’s ages, and the IQR is 20, what does this mean?

A: Given:  IQR for sample of people's ages is 20.

Q: A researcher surveyed ten (10) patients at a doctor's office using a questionnaire. The participants…

A: Given that  The surveyed data values  12, 1 , 9 , 50 , 34 , 40 , 18 , 29 , 16 , 46 Arrange the data…

Q: . When an accurate and complete list of the population is not available, a sampling will suffer…

A: We want to tell you, which one is the correct choice.

Q: Use these results from a USA Today survey in which 510 people choseto respond to this question that…

A:

Q: “The 2011 Sleep in America® annual poll was conducted for the National Sleep Foundation by WB&A…

A: here given  The National Sleep Foundation sponsors an annual poll. In a March 2011 press release…

Q: The XYZ Corporation is interested in possible differences in days worked by salaried employees in…

A: applying one way ANOVA on above data:   Mean n Std. Dev Variances budgets 257.4 5 11.7388…

Q: About 10% of the population has a particular genetic mutation. 100 people are randomly selected.…

A: X= Number of people with the genetic mutation  p=probability of the population has a particular…

Q: In June 2012 the Gallup organization conducted a pollusing a random sample of 1004 adults, aged 18…

A: From the given information, we have confidence Interval is 95%  Sampling error is 4 percentage…

Q: Consider the following random sample of data: -8, -1, 1, -9, 4, 0, -7, 4, 0, 82 a) What is the mean…

A: (a) Here, = Sum of the data values. The sum of all the data values is 66. Now, Hence, Mean = 6.6

Q: The student body at many community colleges is considered a "commuter population". The following…

A: 1.Given information:The sample size is n = 55.The sample mean is x̅ = 21.5.The population standard…

Q: . What statistical test should he use to analyze the data?

A:

Q: A report provided the following information on the sex of smartphone users for representative…

A: Chi-square distribution : A probability density function that, among other things, has the property…

Q: The Fish and Game Deparment stocked Lake Loomis with fish according to the following percentages:…

A: Consider that p1, p2, p3, and p4, are the proportion of catfish, bass, bluegill and pike,…

Q: • With 95% confidence, we estimate the mean airfare for flights out of Cincinnati is between S • The…

A: As per our guidelines, we are allowed to answer three sub-parts only. Thanks     a) The provided…

Q: Consider a sample with data values of 10, 20, 15, 18, and 11. Compute the range and interquartile…

A: Given data, 10,20,15,18,11 Range=? IQR=?

Q: I am being told that the sample size answer of 384 given to me was incorrect. Is there any way this…

A: 12... Margin of error =0.05 At confidence interval 95% we have to find sample size

Q: Select the scenario below that demonstrates sampling bias. Select the correct answer below: Justin…

A: The population consists the entire group of subjects of interest. Sample is a part or subset of the…

Q: The student body at many community colleges is considered a "commuter population". The following…

A:

Q: A survey is conducted to determine the opinions of people on global warming. In a random sample of…

A: Given: n=150 global warming is a serious world problem(x)=408

Q: question in a poll taken in 2007 asked, "Do you think the penalties for underage drinking should be…

A: Given data, n=500 p=61% =0.61 Construct a 95% confidence interval?