In a sample of 270 adults, 173 had children. Construct a 99% confidence interval for the true population proportion of adults with children. Give your answers as decimals, to three places
Q: In a sample of 310 adults, 205 had children. Construct a 99% confidence interval for the true…
A: Given data, n=310 x=205 p=x/n=205/310=0.661 z-value at 99% confidence is Zc=2.576
Q: In a recent poll, 300 people were asked if they liked dogs, and 54% said they did. Find the Margin…
A: Obtain the margin of error for the poll at the 95% confidence level. The margin of error for the…
Q: In a recent poll, 420 people were asked if they liked dogs, and 9% said they did. Find the Margin of…
A: Given: Sample size=n=420,Number of people who liked dogs:x=420×9100=37.8≈38,Significance…
Q: In a recent poll, 470 people were asked if they liked dogs, and 94% said they did. Find the Margin…
A:
Q: In a recent poll, 370 people were asked if they liked dogs, and 69% said they did. Find the Margin…
A:
Q: In a sample of 350 adults, 277 had children. Construct a 99% confidence interval for the true…
A: The sample size, i.e., the sampled number of adults, n=350.The sampled number of adults with…
Q: A survey of 700 non-fatal accidents showed that 167 involved uninsured drivers. Construct a 99%…
A: Given data,n=700x=167Point estimate isp=xn=167700=0.2386Construct a 99% confidence interval?
Q: A national polling organization surveyed 1000 Americans and found that 350 admitted to being guilty…
A: Given: x=350 n=1000 p^=xn=3501000=0.35
Q: In a recent poll, 410 people were asked if they liked dogs, and 24% said they did. Find the Margin…
A: We have to find margin of error.
Q: In a recent poll, 270 people were asked if they liked dogs, and 15% said they did. Find the Margin…
A: given data sample size (n) = 270p^ = 0.1595% ci p, E = ?
Q: Find the Margin of Error for this poll, at the 95% confidence level.
A: It is given that in a recent poll, 210 people were asked if they liked dogs, and 36% said they did.…
Q: In a survey of 2310 adults, 706 say they believe in UFOS. Construct a 99% confidence interval for…
A: It is given that sample size (n) is 2,310 and x is 706.
Q: n a recent poll, 510 people were asked if they liked dogs, and 45% said they did. Find the Margin of…
A: Given Data Sample Size, n = 510 p̂= 0.45 Significance level, α =1-0.99…
Q: In a sample of 500 adults, 340 had children. Construct a 99% confidence interval for the true…
A: Proportion is almost similar to the concept of probability. Proportion is a fraction of a population…
Q: In a recent poll, 410 people were asked if they liked dogs, and 32% said they did. Find the Margin…
A:
Q: In a sample of 290 adults, 191 had children. Construct a 95% confidence interval for the true…
A: 0.604 < p < 0.713 Explanation:Approach to solving the question:To construct a 95% confidence…
Q: A research group asked 4488 Americans how they fall asleep, and 536 of them fall asleep on their…
A: Obtain the 90% confidence interval for the percentage of all Americans who fall asleep on their…
Q: In a sample of 240 adults, 180 had children. Construct a 95% confidence interval for the true…
A:
Q: In a survey of 4061 adults, 738 say they have seen a ghost. Construct a 99% confidence interval…
A: In this question, it has been given that 738 people out of 4061 people have seen the ghost, we have…
Q: In a sample of 360 adults, 245 had children. Construct a 99% confidence interval for the true…
A:
Q: When 290 college students are randomly surveyed, it is found that 120 own a car. Find a 99%…
A: Given that, x=120,n=290 The sample proportion is, Critical values: By using the standard normal…
Q: In a recent poll, 260 people were asked if they liked dogs, and 80% said they did. Find the Margin…
A: Given:
Q: In a recent poll, 300 people were asked if they liked dogs, and 71% said they did. Find the Margin…
A:
Q: In a sample of 350 adults, 277 had children. Construct a 99% confidence interval for the true…
A: Sample size, Number of adults having children, Confidence level is .
Q: in a recent poll, 130 people were asked if they liked dogs, and 46% said they did. Find the Margin…
A: Introduction: The 100 (1 – α) % confidence interval for the population proportion, p is: Here, n is…
Q: In a sample of 530 adults, 445 had children. Construct a 99% confidence interval for the true…
A: We have given that, Favorable cases (X) = 445 and sample size (n)=530 Then, We will find the 99%…
Q: t poll, 240 people were asked if they liked dogs, and 35% said they did. Find the Margin of Error…
A: Given: n = 240 p^=35%=0.35 The value of z at 95% confidence level is 1.96, which can be obtained by…
Q: A researcher wanted to compare the percentages of men and women who play the lottery. They randomly…
A:
Q: In a recent poll, 360 people were asked if they liked dogs, and 55% said they did. Find the Margin…
A: It is given that Sample size n = 360 Sample prpoprotion = 0.55 The critical value of Z at 99%…
Q: In a survey of 2286 adults, 745 say they believe in UFOs. Construct a 90% confidence interval for…
A: Proportion is almost similar to the concept of probability. Proportion is a fraction of population…
Q: In a recent poll, 490 people were asked if they liked dogs, and 51% said they did. Find the Margin…
A: Given data,n=490p=51%=0.51z-value at 99% confidence is Zc=2.576E=?
Q: In a survey of 2318 adults, 747 say they believe in UFOs. Construct a 99% confidence interval for…
A: The 90% confidence interval for the population proportion is between (0.297,…
Q: 3. In a sample of 300 people, 154 said that they watched news on television. Find the 90% confidence…
A: Given : Sample size of people (n) = 300 Let X : No. of people from sample who said they watched…
Q: In a recent poll, 390 people were asked if they liked dogs, and 33% said they did. Find the Margin…
A: Given p^=Sample proportion=0.33 n=sample size=390 Confidence interval = 99%
Q: Find a 90% confidence interval for the true proportion of people that eat frog legs, if in a sample…
A: Given, n = 732 p = 0.65 1 - α = 0.90α = 0.1α2 = 0.05 To find, 90% confidence interval for the true…
Q: If n=550 and X = 440, construct a 90% confidence interval. Give your answers to three decimals <p<
A:
Q: In a recent poll, 190 people were asked if they liked dogs, and 81% said they did. Find the Margin…
A:
Q: In a recent poll, 450 people were asked if they liked dogs, and 54% said they did. Find the Margin…
A: Solution
Q: In a sample of 470 adults, 306 had children. Construct a 99% confidence interval for the true…
A:
Q: In a sample of 460 adults, 281 had children. Construct a 90% confidence interval for the true…
A:
Q: In a survey of 2291 adults, 708 say they believe in UFOs. Construct a 90% confidence interval for…
A:
Q: In a recent poll, 230 people were asked if they liked dogs, and 72% said they did. Find the Margin…
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- In a sample of 570 adults, 485 had children. Construct a 95% confidence interval for the true population proportion of adults with children.Give your answers as decimals, to three places < p <In a sample of 580 adults, 348 had children. Construct a 95% confidence interval for the true population proportion of adults with children. Give your answers as decimals, to three placesOne year’s survey results, of 1525 respondents, 846 said that they expected difficulty finding a job. Find a 95% confidence interval for the population proportion of students who expect difficulty finding a job.Construct a 96% confidence interval if x=75 and n=200. Round your answers to 3 decimal places.In a recent poll, 350 people were asked if they liked dogs, and 41% said they did. Find the Margin of Error for this poll, at the 95% confidence level. Give your answer to four decimal places if possible.In a recent poll, 290 people were asked if they liked dogs, and 61% said they did. Find the Margin of Error for this poll, at the 90% confidence level. Give your answer to four decimal places if possible.A recent survey of 1,000 people found that 90% of Americans support background checks for purchasing guns. Construct a 95 % confidence interval for the population proportion.Melissa wants to estimate the proportion of adults in the U.S. who own a gun. To do so, she surveys 45 adults, and finds that 14 own a gun. Construct a 95% confidence interval to estimate the proportion of all adults in the U.S. who own a gun. Write a conclusion sentence.In a survey of 356 people who attended a local professional soccer teams most recent home game, 135 said that they were fans of the visiting team. Create a 95% confidence interval for the population proportion of attendees who were fans of the visiting team. Round your answer to 3 decimals placesIn a sample of 360 adults, 266 had children. Construct a 95% confidence interval for the true population proportion of adults with children. Give your answers as decimals, to three placesIn a sample of 510 adults, 281 had children. Construct a 95% confidence interval for the true population proportion of adults with children. Give your answers as decimals, to three placesRecommended textbooks for youMATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons IncProbability and Statistics for Engineering and th…StatisticsISBN:9781305251809Author:Jay L. DevorePublisher:Cengage LearningStatistics for The Behavioral Sciences (MindTap C…StatisticsISBN:9781305504912Author:Frederick J Gravetter, Larry B. WallnauPublisher:Cengage LearningElementary Statistics: Picturing the World (7th E…StatisticsISBN:9780134683416Author:Ron Larson, Betsy FarberPublisher:PEARSONThe Basic Practice of StatisticsStatisticsISBN:9781319042578Author:David S. Moore, William I. Notz, Michael A. FlignerPublisher:W. H. FreemanIntroduction to the Practice of StatisticsStatisticsISBN:9781319013387Author:David S. Moore, George P. McCabe, Bruce A. CraigPublisher:W. H. FreemanMATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons IncProbability and Statistics for Engineering and th…StatisticsISBN:9781305251809Author:Jay L. DevorePublisher:Cengage LearningStatistics for The Behavioral Sciences (MindTap C…StatisticsISBN:9781305504912Author:Frederick J Gravetter, Larry B. WallnauPublisher:Cengage LearningElementary Statistics: Picturing the World (7th E…StatisticsISBN:9780134683416Author:Ron Larson, Betsy FarberPublisher:PEARSONThe Basic Practice of StatisticsStatisticsISBN:9781319042578Author:David S. Moore, William I. Notz, Michael A. FlignerPublisher:W. H. FreemanIntroduction to the Practice of StatisticsStatisticsISBN:9781319013387Author:David S. Moore, George P. McCabe, Bruce A. CraigPublisher:W. H. Freeman