A poll of 350 people is taken and the confidence level is 90%. What is the margin of error (MOE)? Round your answer to one decimal place.

Q: Use the formula in this example to determine the sample size, n. The estimated prevalence is 16%,…

A: Given that  p=16%=0.16 , Margin of error=E=5%=0.05 91% confidence level

Q: Use the formula in this example to determine the sample size, n. The estimated prevalence is 16%,…

A: given data p^ = 0.1691% ci E = 0.04n = ?

Q: se the confidence interval to find the margin of error and the sample mean.   (0.656,0.800)…

A:

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: Explain when you would use the paired-samples procedure to make confidence intervals  and test…

A:

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: Construct a confidence interval of the population proportion at the given level of confidence. NOTE:…

A: The question is about confidence intervalGiven :For ( a ) part :No. of successes ( x ) = 105No. of…

Q: In a recent poll, 470 people were asked if they liked dogs, and 94% said they did. Find the Margin…

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Q: In a recent poll, 260 people were asked if they liked dogs, and 9% said they did. Find the margin of…

A:

Q: If n = 108, a = 29 and o = 2.6, construct a 91% confidence interval. Give your answers to three…

A: Since we know population standard deviation, use z-distribution to find z-critical value.…

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: The confidence interval was (41%, 45%) What was the margin of error? +/- % What was the summary…

A:

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: tc for a 0.99 confidence level when the sample is 9. (Round your answer to three decimal places.)

A:

Q: Out of 240 sample students surveyed, 187 students are planning to take classes during the…

A: We have given that the sample size n=240 and favourable cases X=187. Sample proportion p^ = X/n.

Q: In a recent poll, 100 people were asked if they liked dogs, and 12% said they did. Find the Margin…

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Q: Confidence level-99%, degrees of freedom=19 JE

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Q: n your random sample of home prices. To insert a tion" or simply copy and edit the equation in the…

A: Formula : The confidence interval formula is CI =

Q: Express the confidence interval 84.7% < p < 91.3 % in the form of p + E. % ± % Note: To do this,…

A: GivenConfidence interval is 84.7%&lt;p&lt;91.3%

Q: Illustrate the formula for the confidence interval?

A: confidence interval is defined as a range of values so defined that there is a specified probability…

Q: If n=27, (x-bar)=34, and s=3, find the margin of error at a 90% confidence leve Give your answer to…

A:

Q: In a recent poll, 410 people were asked if they liked dogs, and 32% said they did. Find the Margin…

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Q: A study at Harvard found that 44% of their students binge drink. You are at Princeton doing a…

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Q: In a recent poll, 310 people were asked if they liked dogs, and 40% said they did. Find the Margin…

A: Given data: n = 310p⏞ = 40100=0.40C.I = 99%      =0.99Then, calculate αα = 1-0.99   =0.01Now,…

Q: x=111, n=194, Confidence level = 99%

A: The sample proportion of p is, p^=xn=111194=0.5722 Computation of critical value:…

Q: A poll of 2977 U.S. adults found that 28% regularly used Facebook as a news source. Find the margin…

A: Solution: Given information: n = 2977 Sample size  p^= 0.28  Sample proportion.

Q: Find the confidence level if the n = 32 and xřight = 50.89. %3D

A: Given information- Sample size n = 32 We have given the value χright2=50.89 We have to find the…

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 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: Compare the results to those obtained in part (a). How does increasing the level of confidence…

A: simple random sample of size n is drawn. The sample mean is found to be 18.4   sample standard…

Q: How many people should be surveyed to construct a 95% confidence interval with error = 3% to…

A: Given that Margin of error, E = 0.03 Population proportion, p = 0.15 Level of confidence = 95%

Q: Kindly tell what is confidence interval in stats thanks.

A: An essential idea in statistics is a confidence interval (CI), which provides a range that, with a…

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: What proportion of college students earn their undergraduate degrees in four years? A college…

A: The formula of the margin of error when the limits given are,

Q: A magazine provided results from a poll of 2000 adults who were asked to identify their favorite…

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Q: A survey showed that 20.2% of the children that participated in the survey like flavor O If the…

A:

Q: 90% confidence

A: n = 130  x= 69  p'=xn=0.5307 p=p' ±Zαp'(1-p')n =0.5307±1.645*0.04377=0.5307±0.07200=(0.458,0.6027)

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.