A random sample of married people were asked "would you remarry your spouse if you were given the opportunity for a second time?"; of the 150 people surveyed, 127 of them said that they would do so. Find the margin of error that corresponds to a 90% confidence interval for the proportion of married people who would remarry their spouse.  a) 0.113 b) 0.048 c) 0.029 d) 0.058 e) 0.002

Q: Use the t-distribution and the sample results to complete the test of the hypotheses.

A: The sample size is n = 100 Sample mean = 105.1 And sample SD = 15.5 Level of significance = 0.05

Q: Use the Student's t distribution to find t, for a 0.95 confidence level when the sample is 27.

A: sample size=n=27 Degree of Freedom=n-1=27-1 =26 Confidence level is 0.95 Therefore the Level of…

Q: It was observed that 30 of the 100 randomly selected students smoked. Find the confidence interval…

A:

Q: In a recent poll, 460 people were asked if they liked dogs, and 94% said they did. Find the margin…

A: Ans - Given   P  =  94%    = 0.94,     The sample size  n = 460 people          95%  confidence…

Q: According to the same Pew Internet study, 8% of those with broadband connections are using fixed…

A: The p-value of the test is 0.103. The decision is fail to reject H0.

Q: The figure to the right shows the results of a survey in which 1013 adults from Country A, 1001…

A:

Q: The figure to the right shows the results of a survey in which 1011 adults from Country​ A, 1003…

A: Note- As per our policy we can answer only the first 3 sub-parts of a question. If you want…

Q: In the construction of confidence intervals, if all other quantities are unchanged, a increase in…

A: Solution: The confidence interval is calculated by using the following formula

Q: A polling agency reported that 66 percent of adults living in the United States were satisfied with…

A: The 100 (1 – α)% confidence interval provides an interval estimation of the required population…

Q: In a​ poll, 51​% of the people polled answered yes to the question​ "Are you in favor of the death…

A:

Q: The figure to the right shows the results of a survey in which 1018 adults from Country A 1015…

A: Given Information: Country Sample size (n) Sample proportion (p^) A 1018 0.37 B 1015 0.19 C…

Q: nd a 90% confidence interval for for the probability of success θ in a Bernoulli trial with n=48.

A: Confidence interval: It is defined as the range that contains the value of the true population…

Q: The figure to the right shows the results of a survey in which 1003 adults from Country A, 1024…

A: Given information For country A p-hat = 0.35 n = 1003

Q: a 90% confidence interval for for the probability of success in a Bernoulli trial with n=48

A: Confidence interval: It is defined as the range that contains the value of the true population…

Q: The figure to the right shows the results of a survey in which 1015 adults from Country​ A, 1018…

A: The 99% confidence interval for population proportion is For 99% confidence, zc = 2.58

Q: Out of 156 Nielsen families surveyed about their viewing habits, 43 felt that television was too…

A: We have given that,  Favorable cases (X) = 43 and sample size (N) = 156  Then,  We will find the 99%…

Q: 1. In a recent poll 62 out of 149 randomly chosen students at Allen High School say they plan to buy…

A:

Q: In a random sample of 850 consumers. 385 reported that they were able to purchase a Playstation 5.…

A: According to the given information, we have In a random sample of 850 consumers. 385 reported that…

Q: The. Nielsen television ratings used a random sample of 2,000 homes and found that 45% of the homes…

A:

Q: In a​ poll, 51​% of the people polled answered yes to the question​ "Are you in favor of the death…

A: The following information has been provided: p^=0.51E=0.03 The level of significance is : α=1-0.94…

Q: If n=160 and ˆp (p-hat) =0.48, find the margin of error at a 99% confidence level

A: Given Data: p^=0.48n=160   We know that, p^-pp^(1-p^)n~ Normal(0,1)

Q: 1. According to a report published by Gallup Institute on February 20, 2020, based on the interview…

A:

Q: An investigator has calculated a 95 percent confidence interval for a one-sample t test and found:…

A: The 95% confidence interval is obtained as (97, 105).

Q: Out of a sample of 1,450 people, 1,000 said they prefer to drive themselves to work rather than…

A: Given Data: x=1000 n=1450   p^=10001450=0.6897   z-value corresponding to 95% Confidence…

Q: A national polling organization wishes to generate a 98% confidence interval for the proportion of…

A: We need to find the sample size for the given interval.

Q: The figure to the right shows the results of a survey in which 1005 adults from Country​ A, 1023…

A: From the provided information, Sample size of Country B (n) = 1023 Sample proportion (p̂) = 0.22…

Q: If n=320 and ˆpp^ (p-hat) =0.26, find the margin of error at a 95% confidence level

A:

Q: The figure to the right shows the results of a survey in which 1010 adults from Country A, 996…

A:

Q: From a survey of 350 coworkers you find that 231 would like the company to provide on-site daycare.…

A: Given that,  Sample size is n= 350  And we find 231 would like the company to provide on-site…

Q: A survey of 620620 men shoppers found that 1111% of them shop on impulse. What is the 9595%…

A: Given,sample size(n)=620sample proportion(p^)=0.111-p^=1-0.11=0.89α=1-0.95=0.05α2=0.025Z0.025=1.96…

Q: In describing the findings of a 2010 Public ReligionResearch Institute poll, the researchers…

A: Margin of error (E)= Z * SE   As the confidence interval increases z-value also increases. Example:…

Q: A survey of 800 women shoppers found that 17% of them shop on impulse. What is the 98% confidence…

A:

Q: Dylan wants to determine a 99 percent confidence interval for the true proportion p of high school…

A:

Q: Of 380 randomly selected medical students, 21 said that they planned to work in a rural community.…

A: Note- Here I am taking the sample size as 380 because then only the answer will match with the given…

Q: The figure to the right shows the results of a survey in which 1005 adults from Country​ A, 1023…

A: For the given data The99​%confidence interval for the proportion of adults from Country B who say…

Q: A survey of 800 women shoppers found that 17% of them shop on impulse What is the 98% confidence…

A:

Q: The figure to the right shows the results of a survey in which 996 adults from Country A, 1006…

A:

Q: The figure to the right shows the results of a survey in which 1005 adults from Country​ A, 1023…

A: For the given data Construct a 99​% confidence interval for the population proportion of adults s…

Q: a. What should the sample size be for a 98% confidence interval for p to have a margin of error of…

A: Given: σ=17.40

Q: m a random sample of 185 children from school G, 108 indicated they wanted to study science in…

A: The formula of the confidence interval for two proportion is: The formula of the standard error is:…

Q: b. Construct a 90% confidence interval for the percentage of all judges who are in favor of the…

A: a. A random sample of 15 judges and asked them whether or not they favor the death penalty in which…

Q: The manager of a car company will select a random sample of its customers to create a 90 percent…

A: From the provided information, Confidence level = 90% Margin of error = 0.06

Q: The Universal Music Group is the music industry leader worldwide in sales according to the company…

A: The random variable music sales follow normal distribution. The sample size is 1003. The sample…

Q: In a recent poll, 19% of respondents answered option A. The margin of sampling error was plus or…

A: Given information- The percentage of the population answered A is, p = 19% The margin of error, E…

Q: Suppose you didn’t know whether the coin was fair or not and you wanted to determine a 95%…

A: It is given that sample size (n) is 16,000 and x is 8040.

Q: In a​ poll, 37​% of the people polled answered yes to the question​ "Are you in favor of the death…

A: Given information- Margin of error, E = 5% = 0.05 Confidence level, c = 96% We have given that 37​%…

Q: Construct a 95% confidence interval for p for a random sample of size n = 225 yielded $ = .46 A. .49…

A:

Q: A random sample of 80 people was selected, and 22 of the selected people indicated that it would be…

A: Given information: Sample size n=80 Number of selected people who indicated that it would be a good…

Q: In a survey of 900 adults, 240 said that they watched the World Cup final on television. Using these…

A: Given, The sample proportion is,

Q: The figure to the right shows the results of a survey in which 1014 adults from Country A, 1012…

A: Hello there! There are more than three subparts in the question. According to our policies can…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.