For Problems 1-4 use Minitab with sample data and confidence level to construct the confidence interval estimate of the population proportion p. 1. n = 400, x = 200,95% confidence 2. n = 1200, x = 300, 99% confidence 3. n = 1655, x = 175, 98% confidence %3D

Q: If n=19, x¯(x-bar)=50, and s=2, find the margin of error at a 80% confidence level Give your answer…

A: x¯ = 50n = 9s = 280% confidence level

Q: 1. Customers randomly selected at a grocery store included 172 women and 45 men. 74 of the women and…

A: Given: Number of women (n1) = 172 Number of men (n2) = 45 Number of women used coupons (x1) = 74…

Q: If n=17, ¯xx¯(x-bar)=41, and s=7, find the margin of error at a 80% confidence level Give your…

A: Sample mean = 41 Standard deviation = 7 Sample size = 17 80% confidence level

Q: If n=25, ¯xx¯(x-bar)=42, and s=2, find the margin of error at a 80% confidence level Give your…

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Q: If n=23, ¯xx¯(x-bar)=30, and s=4, find the margin of error at a 90% confidence level

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Q: Given the following data: X1 = [0.2 0.5 0.6 0.8 1.0 1.1] X2 = [0.1 0.3 0.4 0.9 1.1 1.4] y = [0.17…

A: We have to find the mathematical model. Here given that, y = 0.17, 0.26, 0.28, 0.23, 0.27, 0.24 x1=…

Q: If n=28, ¯xx¯(x-bar)=48, and s=2, find the margin of error at a 90% confidence level Give your…

A: Margin of error = E E = tCriticalsn

Q: If n=14, ¯xx¯(x-bar)=40, and s=4, find the margin of error at a 95% confidence level Give your…

A: Given that, Sample size = 14 Mean = 40 Standard deviation = 4 95% confidence level

Q: If n=26, ¯xx¯(x-bar)=31, and s=8, find the margin of error at a 99% confidence level Give your…

A:

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=23, ¯x(x-bar)=47, and s=2, find the margin of error at a 90% confidence level Give your answer…

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Q: For items, 11-12 Given a sample size of 200 with a mean of 80 and the population standard deviation…

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Q: If n=19, ¯xx¯(x-bar)=31, and s=9, find the margin of error at a 90% confidence level Give your…

A:

Q: D. The same collge president is more interested in testing her suspicion that the proportion of…

A: Given, Population proportion p=0.37 Sample proportion p^=0.3736 n=364 Null and alternative…

Q: For a confidence level of 80% with a sample size of 32, find the critical t value.

A: Given that n =32, alpha =0.2

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=12, ¯xx¯(x-bar)=41, and s=10, find the margin of error at a 80% confidence level Give your…

A:

Q: If n=23, ¯xx¯(x-bar)=31, and s=9, find the margin of error at a 99% confidence level Give your…

A: Solution

Q: state the critical value that corresponds to the given scenario. 12. Confidence Interval for a…

A: Solution: 12. From the given information, the confidence level is 0.99.

Q: If n=24, x(x-bar)=33, and s=3, find the margin of error at a 90% confidence level Give your answer…

A: It is given that standard deviation (s) is 3 and sample size (n) is 24.

Q: If n=22, ¯xx¯(x-bar)=39, and s=6, find the margin of error at a 98% confidence level Give your…

A:

Q: find the margin of error at a 99% confidence level

A: The confidence level is 99%. The significance level is 0.01. The degrees of freedom is,…

Q: If n=12, ¯x(x-bar)=35, and s=2, find the margin of error at a 98% confidence level Give your…

A: Given: n=12 ¯x(x-bar)=35 s=2

Q: If n=30, ¯xx¯(x-bar)=49, and s=4, find the margin of error at a 99% confidence level Give your…

A: Given,n=30x¯=49s=4degrees of freedom(df)=n-1df=30-1=29α=1-0.99=0.01α2=0.005t0.005(29)=2.756…

Q: If n=12, ¯xx¯(x-bar)=35, and s=5, find the margin of error at a 99% confidence level Give your…

A: Sample size = 12 Sample mean = 35 Sample standard deviation = 5

Q: If n=31, ¯xx¯(x-bar)=31, and s=3, find the margin of error at a 90% confidence level Give your…

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

Q: A survey of folk music fans yield this 95% confidence interval estimate of the proportion of fans…

A: Introduction:The 95% confidence interval for the requires proportion is (0.74, 0.86). So, lower…

Q: If n=29, ¯x(x-bar)=41, and s=5, find the margin of error at a 99% confidence level Give your answer…

A: given data sample size (n) = 29sample mean ( x¯ ) = 41sample standard deviation (s) = 599% ci for…

Q: If n=14, ¯xx¯(x-bar)=44, and s=3, find the margin of error at a 98% confidence level Give your…

A: Margin of error = The margin of error (MOE) expresses to the maximum expected differences between…

Q: “Over 24 weeks, systolic blood pressure in the low-carbohydrate diet group decreased by 9.6 mm Hg…

A: Confidence interval is an estimation technique is statistics.

Q: If n=11, ¯x(x-bar)=43, and s=10, find the margin of error at a 99% confidence level Give your…

A: Given that  n=11, ¯x=43 and s=10,

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

A:

Q: If n=23, ¯x(x-bar)=34, and s=8, find the margin of error at a 99% confidence level Give your answer…

A: Solution: From the given information, n=23, x-bar=34 and s=8. The confidence level is 0.99.

Q: You have been asked to determine the proportion of all out-of-state fishermen who took at least one…

A: As given,  The estimate to be within +/- 2% . This implies, the margin of error (E) = 2% or 0.02…

Q: Cora wants to determine a 80 percent confidence interval for the true proportion of high school…

A: GivenMargin of error(E)=0.04cofidence level(c)=80%assume population proportion (p)…

Q: If n=19, (x-bar)=39, and s=8, find the margin of error at a 80% confidence level Give your answer…

A: We have given that,  Sample size (n) = 19 and sample mean (X-bar) = 39 and sample standard deviation…

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

A:

Q: Here are summary statistics for randomly selected weights of newborn girls: n: 152, x-28.2 hg. s-76…

A: a.The sample size is 152 that is reasonably large. Therefore, z-test can be used here. Let µ be the…

Q: Construct the confidence interval for the population mean p. c= 0.98, x = 4.7, o = 0.6, and n= 41…

A: We have given that,  Sample mean (x̄)= 4.7, Population standard deviation (σ) and sample size (n) =…

Q: If n=16, ¯xx¯(x-bar)=30, and s=10, find the margin of error at a 90% confidence level Give your…

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

Q: If n=15, ¯xx¯(x-bar)=37, and s=9, find the margin of error at a 80% confidence level Give your…

A: Given that  n = 15 , x- = 37 , s = 9

Q: ssume that a sample is used to estimate a population proportion p. Find the margin of error M.E.…

A: n=234 x=26

Q: if n=29, x(x-bar)=45, and s=6 find the margin of error at 80% confidence level. give your answer to…

A: Obtain the margin of error at the 80% confidence level.   The margin of error at the 80% confidence…

Q: If n=25, 7(x-bar)=48, and s=4, find the margin of error at a 80% confidence level

A: The sample size is 25, sample mean is 48, and sample standard deviation is 4. The degrees of freedom…

Q: If n=26, ¯xx¯(x-bar)=31, and s=8, find the margin of error at a 99% confidence level Give your…

A: Given  n=26, ¯xx¯(x-bar)=31, and s=8,

Q: If n=12, ¯xx¯(x-bar)=49, and s=2, find the margin of error at a 90% confidence level Give your…

A: Given n=12 sample mean=x¯=49 Sample standard deviation, s=2 Confidence interval=90% =0.90 Since, the…