If n = 230 and X = 184, construct a 99% confidence interval for the population proportion, p.Give your answers to three decimals

Q: In a survey, the planning value for the population proportion is  p* = 0.33.  How large a sample…

A: It is given that the population proportion is 0.33.It is known that the critical value for 95%…

Q: If we want a 95% confidence interval for proportion within 3% how large a sample do we need?

A: It is given that margin of error (E) is 0.03 and the confidence level is 0.95.

Q: If n=21, I(x-bar)-40, and s=5, find the margin of error at a 80% confidence level Give your answer…

A: Given that : n = 21 x̅ = 40 s = 5 r = 80% Formula : Margin of error = tα [s / √(n)]

Q: If n=31, ¯xx¯(x-bar)=38, and s=4, find the margin of error at a 95% confidence level Give your…

A: Here, the population standard deviation is unknown. Hence, t - distribution is appropriate to use as…

Q: If n = 560 and X = 448, construct a 95% confidence interval for the population proportion, p. %3D…

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Q: Given a sample size of 400 with a mean of 80 and the population standard deviation is found to be 35…

A: We have given that,  Sample mean (x̄) = 80, population standard deviation (σ) = 35 and sample size…

Q: If n=11, ¯x(x-bar)=35, and s=8, find the margin of error at a 90% confidence level Give your answer…

A: Given that,  n=11, x-bar=35, and s=8, Confidence level is 90%

Q: If n = 180 and X = 144, construct a 90% confidence interval for the population proportion, p. Give…

A: Solution: From the given information, X=144, n=180 and the confidence level is 0.90. The sample…

Q: If n=13, x(x-bar)=30, and s=9, find the margin of error at a 99% confidence level Give your answer…

A: Given,n=13x=30s=9α=1-0.99=0.01α2=0.005degrees of freedom(df)=n-1=13-1=12t0.005(12)=3.055

Q: If n=22, ¯xx¯(x-bar)=45, and s=9, find the margin of error at a 95% confidence level Give your…

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Q: If n = 15, ¯x = 50, and s = 9, construct a confidence interval at a 90% confidence level. Assume the…

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Q: If n = 570 and X = 456, construct a 90% confidence interval for the population proportion, p.Give…

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Q: If n=240 and ˆpp^ (p-hat) =0.91, find the margin of error at a 90% confidence level Give your…

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Q: If n = 250 and X = 200, construct a 99% confidence interval for the population proportion, p. Give…

A: As given, n = 250 and x = 200.  It is asked to construct a 99% confidence interval for the…

Q: If n=120 and p^ (p-hat) =0.84, find the margin of error at a 95% confidence level Give your answer…

A: Find z-critical value:…

Q: If n = 330 and X = 264, construct a 95% confidence interval for the population proportion, p. %3D…

A: From the provided information, Confidence level = 95% Sample size (n) = 330, x = 264 Sample…

Q: If n = 530 and X = 424, construct a 99% confidence interval for the population proportion, p. Give…

A: Given that, n = 530 x = 424 Point estimate = sample proportion =  = x / n = 424 /530=0.8 1 -  =…

Q: If n=18, (x-bar)=38, and s=2, find the margin of error at a 95% confidence level Give your answer to…

A: Sol: According to the guidelines if there are multiple questions asked one question should be…

Q: If a student provided 90% confidence intervals in all ten questions, how many points would we expect…

A: In the given analysis, we have 10 questions and their correct answers. 10 sample responses from 10…

Q: If n=380 and p (p-hat) =0.52, find the margin of error at a 95% confidence level Give your answer to…

A: Dear student, If you find this solution helpful please upvote ? it. The solution is given below:

Q: If n=13, ¯x(x-bar)=41, and s=5, find the margin of error at a 80% confidence level Give your answer…

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Q: If n = 13, T=30, and s = 3, construct a confidence interval at a 99% confidence level. Give your…

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Q: If n=10, ¯x(x-bar)=38, and s=5, find the margin of error at a 80% confidence level Give your answer…

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Q: If n = 180 and X = 144, construct a 99% confidence interval for the population proportion, p. Give…

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Q: In a survey, the planning value for the population proportion is .25. How large a sample should be…

A: We have to find sample size..

Q: If n=340 and p (p-hat) =0.23, find the margin of error at a 95% confidence level Give your answer to…

A: Given,n=340p^=0.23α=1-0.95=0.05α2=0.025Z0.025=1.96

Q: If n = 280 and X = 224, construct a 99% confidence interval for the population proportion, p. Give…

A: Given: X=224n=280 CI=99% Formula: P¯±zα/2P^1-P^n

Q: If n=28, ¯xx¯(x-bar)=35, and s=8, find the margin of error at a 95% confidence level Give your…

A: Given values, s = 8 n = 28 Confidence level = 95% z score at 95% confidence level = 1.96

Q: If n=14, (x-bar)-33, and s=9, find the margin of error at a 98% confidence level Give your answer to…

A: We have given that, Sample mean (x̄) = 33, standard deviation (s)= 9 and sample size (n) = 14  Then,…

Q: If n=190 and ˆpp^ (p-hat) =0.29, find the margin of error at a 90% confidence level Give your…

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Q: If n = 220 and X = 176, construct a 95% confidence interval for the population proportion, p. Give…

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Q: If n = 440 and X = 352, construct a 90% confidence interval for the population proportion, p. Give…

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Q: Find a Confidence interval for the true Population Proportions if n = 30,        x = 75, and the…

A: From the given information, X=75 and n=30.

Q: If n=550 and X = 440, construct a 90% confidence interval. Give your answers to three decimals <p<

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Q: If n = 520 and p^ = 0.85, construct a 99% confidence interval

A: Here, n = 520 and p hat = 0.85.

Q: If X̅ = 65, ? = 20 ??? ? = 36, construct a 95% confidence interval estimate for the population mean,…

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Q: If a confidence interval for the mean is (38≤μ≤89)(38≤μ≤89), a) What is the point estimate?    b)…

A: Given,   Lower bound = 38​ Upper bound = 89

Q: If n = 23, ¯x = 35, and s = 3, construct a confidence interval at a 95% confidence level. Assume the…

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Q: If n=14, ¯xx¯(x-bar)=33, and s=8, find the margin of error at a 80% confidence level Give your…

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Q: If X-bar = 125, σ = 24, and n = 36, construct a 99% confidence interval estimate for the population…

A: Given: X-bar = 125, σ = 24, n = 36.

Q: In a survey, the planning value for the population proportion is p* = 0.25. How large a sample…

A: Given : Population proportion (p*) = 0.25 Confidence level = 95% So ; significance level (α) =…

Q: In a survey, the planning value for the population proportion is p* = 0.25. How large a sample…

A: Given,sample proportion(p*)=0.25margin of error(E)=0.08α=1-0.95=0.05α2=0.025Z0.025=1.96   (from…

Q: If n=15, (x-bar)=46, and s=3, find the margin of error at a 90% confidence level Give your answer to…

A: According to the given information, we haveSample size, n = 15Sample mean = 46Sample standard…

Q: If you obtained one thousand 95% confidence intervals for a population mean, μ, roughly how many of…

A: A 95% confidence interval means that if we take 100 different samples and determine a 95% confidence…

Q: If n=15, (x-bar)=37, and s=8, find the margin of error at a 80% confidence level Give your answer to…

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Q: If n = 550 and X = 440, construct a 90% confidence interval for the population proportion, p. Give…

A: Given information:Total number of trials (n) = 550Number of success (X) = 440Confidence level = 0.90

Q: If n=480 and p^ (p-hat) =0.45, find the margin of error at a 90% confidence level Give your answer…

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Q: If n=23, x(x-bar)=47, and s=3, find the margin of error at a 98% confidence level Give your answer…

A: Margin error is the difference between the estimated value and the original value. Here the critical…

Q: If n=410 and p (p-hat) =0.47, find the margin of error at a 90% confidence level Give your answer to…

A: The random variable X follows binomial distribution. The sample size is 410. The sample proportion…

Q: If n=16, ¯xx¯(x-bar)=45, and s=7, find the margin of error at a 95% confidence level Give your…

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