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.

Q: Find the critical values, X- and X12, for 95% confidence and n= 12. Round to three decimal places.…

A: Given,sample size (n)=12degrees of freedom (df)=n-1=12-1=11α=1-0.95=0.05α2 =0.052 =0.0251-α2…

Q: Given a 96% level of confidence, find the critical value Zα/2 and when given a 86% level of…

A: I hope this is helpful.

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Q: population has a distribution that is approximately normal. The sample statistic. 77.9 inches; and…

A: 2)Givenn=35x=14.5s=0.7confidence interval = 95%

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A: It is given that  Sample mean = 30.2 Sample standard deviation = 7.8 Sample size = 262

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A: From the provided information, Sample size (n) = 184 Sample mean (x̅) = 29.5 hg Sample standard…

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Q: Find the critical value tε for the confidence level c = 0.90 and sample size n = 23. Click the icon…

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Q: me that we want to construct a confidence interval. Do one of the​ following, as​ appropriate: (a)…

A: As the population standard deviation is not known, we will use t-distribution. Hence, one should…

Q: he formula used to calculate a confidence interval for the mean of a normal population is x ± (t…

A: We know that the formula used for confidence interval for the mean is- a) We have given- Sample…

Q: Find the critical value t, for the confidence level c = 0.90 and sample size n= 12. Click the icon…

A: We have to find  critical value...

Q: Assume that we want to construct a confidence interval. Do one of the​ following, as​ appropriate:…

A: The following information has been given: n=229x¯=28.1s=6.7 The level of significance : α=1-0.95…

Q: Find the a/2 (the area in one tail outside of the confidence interval) and the critical value z a…

A: In question,  We'll find the z critical value for one tailed at 90% confidence level. The solution…

Q: Do one of the​ following, as appropriate.​ (a) Find the critical value zα/2​, ​(b) find the critical…

A: Since population standard deviation is unknown, Use t-distribution to find t-critical value. Using…

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A: From the provided information, Sample size (n) = 26 Standard deviation (s) = 0.22 Confidence level =…

Q: Find the confidence interval estimate of μ.   enter your response here g<μ<enter your response here…

A: It is given that Sample size n = 36 Sample mean M = 3180.6 Sample SD s = 700.5

Q: For a confidence level of 99% with a sample size of 22, find the criticalt value.

A: GivenConfidence level = 90%sample size(n)=22

Q: After conducting a two-tailed, one-sample t test you find the critical t value is -2.045 while the t…

A: Given : critical value : tcritical = -2.045 Test statistic : t = -3.61

Q: QUESTION 2 Provide an appropriate response. Find the critical values, xi-u12 and x2, for 90%…

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Q: I already tried this answer and it was wrong. I will attach an image of the example that is given. I…

A: Confidence interval are used to measure the mean significance between the sample and population. It…

Q: Assume that we want to construct a confidence interval. Do one of the​ following, as​ appropriate:…

A: Given that  Sample size,n=168​, Sample mean, x¯=30.5 and Sample standard deviation, s=6.3 Here the…

Q: Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a)…

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Q: Find the critical value t, for the confidence level c=0.90 and sample size n= 24. Click the icon to…

A: Given data,α=0.10n=24tc=?

Q: Find the critical value to for the confidence level c = 0.98 and sample size n = 17. Click the icon…

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Q: Find the critical value zc necessary to form a confidence interval at the level of confidence shown…

A: The confidence level is given by 0.89 We will use standard normal table to calculate the crtiical…

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Q: The formula used to calculate a confidence interval for the mean of a normal population when n is…

A: By bartleby policy i can gives only 3 subparts at a time  Here we have to find t critical value :

Q: The formula used to calculate a confidence interval for the mean of a normal population is x ± (t…

A: (a) Confidence Level = 95 Significance Level = α = (100-95)% = 0.05 Degrees of freedom = n-1…

Q: Find the critical value Zα/2 that corresponds to the given confidence level. 99% Za/2 = (Round to…

A: Confidence Level=99%

Q: Find the critical value t for the following situations. a) a 95% confidence b) a 90% confidence…

A: Confidence level 95%α=1-0.95=0.05degrees of freedom= n-1=21critical value =tc = 2.080

Q: Find the 95% z-interval or t-interval for the indicated parameter. (a) µ x= 142, s= 30, n= 26 (b) p…

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Q: A study was conducted in Mandaluyong to determine the proportion of fiber subscribers. From a random…

A: Solution-: Given: We find, 1) Sample proportion= 2) Using a 90%  confidence level find margin of…

Q: Find the critical value t, for the confidence level c = 0.80 and sample size n = 7. Click the icon…

A: Given,c=0.80n=7

Q: Assume that we want to construct a confidence interval. Do one of the​ following, as​ appropriate:…

A: Solution-: Given: We find correct option in given questions

Q: Here are summary statistics for randomly selected weights of newborn girls: n=36, x=3227.8 g,…

A: Sample size n=36Sample mean=3227Standard deviation=686NOTE: according to bartleby guidelines expert…

Q: A simple random sample of men is obtained and the elbow-to-fingertip length of each man is measured.…

A: Sample size n =36 Sample mean=13.8 Standard deviation =0.6

Q: Find the critical value zc necessary to form a confidence interval at thr level of confidence shown…

A: Given,confidence level is 0.87

Q: Find the confidence level related to the critical value zα/2=2.16

A: Obtain the confidence level related to the critical value zα/2=2.16. The confidence level is…

Q: Do one of the following as appropriate: (a) find the critical value tα/2 OR (b) find the critical…

A: Given n = 19 Std = 18  Confidence level = 92% = 0.92

Q: (a) Known Information: Za/2 ; E = (b) Desired Sample Size

A: Joshua wants to replicate a study where the lowest observed value is 12.4 while the highest is 12.8.…