If n=20, ¯xx¯(x-bar)=46, and s=2, find the margin of error at a 90% confidence level Give your answer to two decimal places.

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: 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: 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…

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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: A random sample of 290 college students was asked if they believed that places could be haunted, and…

A: The question is based on a confidence int. of a popl. prop. Given : Random sample of college…

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

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Q: If n=26, ¯xx¯(x-bar)=43, and s=9, find the margin of error at a 98% confidence level Give your…

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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…

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

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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: you want to obtain a sample to estimate a population mean. based on previous evidence, you believe…

A:

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

A:

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=29, ¯xx¯(x-bar)=34, and s=3, find the margin of error at a 95% confidence level Give your…

A: Given problem Given that   n = 29 x-bar = 34  s = 3 The margin of error at a 95% confidence level…

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: Many high school students take the AP tests in different subject areas. In one year, of the 210,598…

A: given data  n1 = n2 = 210598female :     x1 =104975p^1 = x1n1 = 104975210598 = 0.4985 n2 = 210598…

Q: If n=24, ¯x(x-bar)=37, and s=6, find the margin of error at a 98% confidence level Give your answer…

A: Margin of error is the sampling error in the sample. It is also defined as the number of…

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: A researcher is interested in examining whether self-affirming oneself leads to increases in…

A: According to honor code of Bartleby, you can only ask upto three subparts of a question, please…

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: In 2011 the U.S. Department of Transportation reported with 95% confidence that the average length…

A: The average length of the trip in the United States was 9.72 miles with margin of error as 0.22…

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: A random sample of 233 college students was asked if they believed that places could be haunted, and…

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Q: If n=23, ¯xx¯(x-bar)=45, and s=6, find the margin of error at a 95% confidence level

A: Given : n=23 s=6

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=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: 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…

Q: error at a 80% confidence level Give your answer to two decimal places.

A: Given If n=22, x¯(x-bar)=35, s=7, 80% confidence level