If n=20, (x-bar)=47, and s=15, construct a confidence interval at a 99% confidence level. Assume the data came from a normally distributed population.
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Q: If n=32, ¯xx¯(x-bar)=31, and s=14, construct a confidence interval at a 95% confidence level. Assume…
A: Given: x¯=31n=32s=1495% confidence level
Q: If n = 100 and p (p-hat) = 0.9, construct a 95% confidence %3D interval. Give your answers to three…
A: Givensample size(n)=100p^=0.9α=1-0.95=0.05α2=0.025zc=zα2=z0.025=1.96 (from z table)
Q: If n=30, ¯xx¯(x-bar)=43, and s=16, construct a confidence interval at a 98% confidence level. Assume…
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Q: If n = 15, 43, and s = 9, construct a confidence interval at a 98 % confidence level. Assume the…
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Q: If n = 600 and p (p-hat) = 0.7, construct a 95% confidence interval. Give your answers to three…
A: It is given that, n = 600 and p (p-hat) = 0.7. we have to find the 95% confidence interval for true…
Q: If n=16, ¯xx¯(x-bar)=46, and s=12, construct a confidence interval at a 95% confidence level. Assume…
A: Given n=16 x=46 s=12 CL=95% Data is normally distributed
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Q: If n=22, ¯xx¯(x-bar)=45, and s=4, construct a confidence interval at a 90% confidence level. Assume…
A: Ans - Given the level of confidence interval 90 % Then α = 1 - 0.90 =…
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A: We have to find the confidence level is reduced to 90%, the confidence interval will....
Q: If n=14, (x-bar)=37, and s=7, construct a confidence interval at a 98% confidence level. Assume the…
A: Given,n=14x¯=37s=7degrees of freedom(df)=n-1df=14-1=13α=1-0.98=0.02α2=0.01t0.01(13)=2.650 (from…
Q: If n=24, ¯ x x ¯ (x-bar)=33, and s=13, construct a confidence interval at a 99% confidence level.…
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Q: If n=15, ¯xx¯(x-bar)=30, and s=2, construct a confidence interval at a 98% confidence level. Assume…
A: Given Sample size n = 15 degree of freedom = n-1 =14 x the level of confidence interval 98 %…
Q: If n=26, (x-bar)=41, and s=14, construct a confidence interval at a 80% confidence level. Assume the…
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Q: if E=0.07 and population standard deviation=0.8 then find the sample size for 99% confidence…
A: Margin of error(E)=0.07 population standard deviation(σ)=0.8 confidence level=99%
Q: If n=25, (x-bar)=36, and s=19, construct a confidence interval at a 99% confidence level. Assume the…
A: From the provided information,Confidence level = 99%
Q: If n=19, ¯xx¯(x-bar)=37, and s=13, construct a confidence interval at a 99% confidence level. Assume…
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Q: If n=22, ¯xx¯(x-bar)=46, and s=8, construct a confidence interval at a 98% confidence level. Assume…
A: It is given that mean and standard deviation are 46 and 8, respectively.
Q: n=31, ¯xx¯(x-bar)=30, and s=5, construct a confidence interval at a 98% confidence level. Assume the…
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Q: If n-19, ž(x-bar)-43, and s-8, construct a confidence interval at a 90% confidence level. Assume the…
A: Given: n = 19, x¯ = 43, s = 8 Confidence level = 90%
Q: Identify the t-score for a 90% confidence interval if the sample size is 25. t = The answer isnt…
A: We have given that Confidence level (c) = 90% = 0.90 Significance level (α) = 1 - c = 1 - 0.90 =…
Q: Suppose that you will be taking a random sample from a population and that you intend to find a 95%…
A: Solution: The confidence interval for the population mean is calculated by using the following…
Q: If n=24, ¯xx¯(x-bar)=49, and s=9, construct a confidence interval at a 80% confidence level. Assume…
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Q: If n=17, (x-bar)-45, and o =12, construct a confidence interval at a 80% confidence level. Assume…
A: Given X-bar=45 S=12 n=17
Q: In a random sample of 500 Americans, 50% indicated that they have a cat for a pet. Estimate with 95%…
A: Given information
Q: If n=13, ¯x(x-bar)=44, and s=3, construct a confidence interval at a 99% confidence level. Assume…
A: Here, n is 13, x-bar is 44, and s is 3. Critical value: Using Excel formula…
Q: Free of CVD Prevalent CVD Total Men 1548 244 1792…
A: Given The tota number of men with CVD =244The tota number of women with CVD =135The tota number of…
Q: If n-26, (x-bar)-32, and s-4, construct a co came from a normally distributed population. Give your…
A: Given, sample mean (x̄) = 32 sample size(n) = 26 sample standard deviation (s) = 4
Q: If n=15, ¯xx¯(x-bar)=40, and s=9, construct a confidence interval at a 98% confidence level. Assume…
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Q: f n=200 and X=80, construct a 99% confidence interval estimate for the population proportion.
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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: If n=15, ¯xx¯(x-bar)=33, and s=19, construct a confidence interval at a 80% confidence level. Assume…
A: Given' : sample mean xbar=33 sample size n=15 sample standard deviations s=14 then to find 80%…
Q: A confidence interval for the difference in the number of friends that men and women have was found…
A: The formula of the midpoint of the confidence interval formula is,
Q: If n=28, (x-bar)=45, and s-8, construct a confidence interval at a 99% confidence level. Assume the…
A: Given that. Sample size n =28 Sample mean=45 Standard deviation =8
Q: If n=21, (x-bar)=46, and s=3, construct a confidence interval at a 90% confidence level. Assume the…
A: given data sample size (n) = 21sample mean ( x¯ ) = 46sample standard deviatio (s) = 390% ci for…
Q: Suppose that you will be taking a random sample from a population and that you intend to find a 95%…
A: If the sample size increases, then the standard error of statistic decreases. The margin of error is…
Q: If n=28, ¯x(x-bar)=32, and s=11, construct a confidence interval at a 95% confidence level. Assume…
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Q: If n=13, ¯xx¯(x-bar)=37, and s=9, construct a confidence interval at a 80% confidence level. Assume…
A: Givenn =13x = 37s=9confidence interval =80%
Q: If n=30, (x-bar)=45, and s=13, construct a confidence interval at a 95% confidence level. Assume the…
A: We have given that, Sample mean (x̄) = 45, sample size (n) = 30 and standard deviation (s) = 13…
Q: The mean was found to be 25% and the confidence interval was (20.4%,29.6%) therefore the margin of…
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Q: If n = 24 , overline x (x-bar)=40 , and s = 20 . construct a confidence interval at a 95% confidence…
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Q: If n = 220, p-hat = 0.4, then what will be the 90% Confidence Interval for the population…
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Q: If n=29, x¯=48, and s=13, construct a confidence interval at a 90% confidence level. Assume the data…
A: The confidence level is 90%. Then the probability is 10%=100%-90%. The degrees of freedom is,…
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- If n=15, ¯xx¯(x-bar)=39, and s=11, construct a confidence interval at a 95% confidence level. Assume the data came from a normally distributed population.Give your answers to one decimal place.If n=25, ¯x(x-bar)=31, and s=19, construct a confidence interval at a 90% confidence level. Assume the data came from a normally distributed population.Give your answers to one decimal place.answer < μ < answerA sample of size 25 was taken from a very large population. Sample statistics, x¯ and s, were used to find that the 95% confidence interval was (138.616, 163.384). x¯= s=
- If n=29, x¯(x-bar)=31, and s=8, construct a confidence interval at a 90% confidence level. Assume the data came from a normally distributed population.Give your answers to one decimal place.If n=24, (x-bar)=44, and s=18, construct a confidence interval at a 98% confidence level. Assume the data came from a normally distributed population. Give your answers to one decimal place.If n=14, ¯xx¯(x-bar)=34, and s=4, construct a confidence interval at a 80% confidence level. Assume the data came from a normally distributed population.If n=-22, (x-bar)=50, and s-6, construct a confidence interval at a 90% confidence level. Assume the data came from a normally distributed population. Give your answers to one decimal place.If n=20, ¯xx¯(x-bar)=43, and s=10, construct a confidence interval at a 98% confidence level. Assume the data came from a normally distributed population.Give your answers to one decimal place.If n=16, x¯(x-bar)=48, and s=7, construct a confidence interval at a 98% confidence level. Assume the data came from a normally distributed population.Give your answers to one decimal place.If n = 420 and p (p-hat) = 0.2, construct a 95% confidence interval. Give your answers to three decimals < p <If n=17, ¯xx¯(x-bar)=50, and s=20, construct a confidence interval at a 98% confidence level. Assume the data came from a normally distributed population.Identify the t-score for a 99% confidence interval if the sample size is 70. t = The answer isnt 2.6490 so what is the answer?Recommended textbooks for youMATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons Inc
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