Do one of the following as appropriate: (a) find the critical value tα/2, OR (b) find the critical value zα/2 Confidence Level = 95%; n = 32; s = 13; population appears to be normally distributed Round your answer to 2 decimal places.
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Do one of the following as appropriate: (a) find the critical value tα/2, OR (b) find the critical value zα/2
Confidence Level = 95%; n = 32; s = 13; population appears to be
Round your answer to 2 decimal places.
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- Do one of the following as appropriate: (a) find the critical value tα/2 OR (b) find the critical value zα/2 Confidence Level = 92%; n = 19; σ = 18; population appears to be normally distributed Round your answer to 2 decimal places.Find the critical value t, for the confidence level c= 0.80 and sample size n= 25. Click the icon to view the t-distribution table. (Round to the nearest thousandth as needed.)Find the critical value zα/2 that corresponds to the confidence level 98% What I found so far Area to the right : .1 Area to the left : .99 I'm meant to be using technology to solve for critical value, but I'm not sure how to do that.
- Use the given information to find the number of degrees of freedom, the critical values x and xá, and the confidence interval estimate of o. It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution. Nicotine in menthol cigarettes 95% confidence; n = 21, s = 0.25 mg. Click the icon to view the table of Chi-Square critical values. df = (Type a whole number.) X = (Round to three decimal places as needed.) XR = (Round to three decimal places as needed.) %3D The confidence interval estimate of o is mgUse the given information to find the number of degrees of freedom, the critical values x and x, and the confidence interval estimate of a. It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution. Nicotine in menthol cigarettes 80% confidence; n=28, s=0.24 mg. Click the icon to view the table of Chi-Square critical values. df = 27 (Type a whole number.) x- Save (Round to three decimal places as needed.)For a confidence level of 99% and n = 18, find the critical value Xfa/2.n-1 with the table. (Use four digits after the decimal point, e.g. 0.12) Type your answer.Find the critical value t, for the confidence level c=0.90 and sample size n = 26. to Click the icon to view the t-distribution table. (Round to the nearest thousandth as needed.)Use the given information to find the number of degrees of freedom, the critical values y? and y?, and the confidence interval estimate of o. It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution. Nicotine in menthol cigarettes 99% confidence; n= 26, s = 0.24 mg. Click the icon to view the table of Chi-Square critical values. df = (Type a whole number.) x =(Round to three decimal places as needed.) XR = (Round to three decimal places as needed.) The confidence interval estimate of o is mgFind the critical value zc necessary to form a confidence interval at the level of confidence shown below. c=0.92 zc=The formula used to calculate a confidence interval for the mean of a normal population when n is small is the following. x ± (t critical value) s n What is the appropriate t critical value for each of the following confidence levels and sample sizes? (Round your answers to two decimal places.) d. 90% confidence, n = 23 e. 95% confidence, n = 13 f. 95% confidence, n = 10You intend to estimate a population mean with a confidence interval. Your population is normally distributed and your sample size is 6. Find the critical t value that corresponds to a confidence level of 99%. (Round your answer to 3 decimal places.) t₁/₂ = ±Show all the steps for the problem.SEE MORE QUESTIONSRecommended textbooks for youMATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons Inc
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