Assume that a sample is used to estimate a population mean μμ. Find the 90% confidence interval for a sample of size 53 with a mean of 56.8 and a standard deviation of 10.5. Enter your answer as an open-interval (i.e., parentheses) accurate to 3 decimal places. 90% C.I. =

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A: GIVEN DATA,an IQ test mean is 100 and standard deviationis 20 for the population of normal adults…

Q: The mean is u: = and the standard deviation is o: =

A: Given,

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A: The given heights are: 80, 71, 68 80, 71, 67 78, 71, 67 76, 71, 67 75, 70, 67 75, 70, 66 75, 70, 66…

Q: An IQ test is designed so that the mean is 100 and the standard deviation is 22 for the population…

A: Given information- Population standard deviation, σ = 22 Confidence interval = 0.90 Significance…

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A:

Q: An IQ test is designed so that the mean is 100 and the standard deviation is 23 for the population…

A: Given that  Population standard deviation =23 Margin of error =E =8 95% confidence.

Q: An IQ test is designed so that the mean is 100 and the standard deviation is 10 for the population…

A: The provided data is,

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Q: Assume that a sample is used to estimate a population mean μμ. Find the margin of error (M.O.E.)…

A: Given that : A sample of size (n) = 18 Mean of sample of size (µ) = 18 Standard deviation ( σ )  =…

Q: Assume that a sample is used to estimate a population mean u. Find the margin of error M.E. that…

A: Given information Sample size (n) = 10 Sample mean x̅ = 33.8 Standard deviation (s) = 13.8…

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A: X represent the full height of certain species of tree μ=26.9σ=4.8n=194

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A: Given95% confidence interval N=361 x = 59.1 seconds. z= 4.9 SecondsFind the margin of error?

Q: Assume that a sample is used to estimate a population mean μμ. Find the margin of error M.E. that…

A: From the given information, the sample size is 21, the sample mean is 62.9, the sample standard…

Q: Construct a 95% confidence interval for the population mean, μ. Assume the population has a normal…

A:

Q: Assume that a sample is used to estimate a population mean μμ. Find the 98% confidence interval for…

A: Given that  Sample size n =41 Sample mean =76.4 Standard deviation =18.2

Q: Assume that a sample is used to estimate a population mean μμ. Find the margin of error that…

A: Solution: Given information: n= 13 Sample size  x= 54.9  Sample mean s= 16.6 Sample standard…

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A: The provided information are: Confidence level = 92% Margin of error (E) = 0.8 Population standard…

Q: An IQ test is designed so that the mean is 100 and the standard deviation is 20 for the population…

A:

Q: Assume that a sample is used to estimate a population mean μμ. Find the 98% confidence interval for…

A: Given: C.I.=98%n=41x¯=76.4s=18.2

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A:

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A: From the provided information, Mean IQ score (µ) = 100 Standard deviation (σ) = 10 Margin of error…

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Q: Assume that a sample is used to estimate a population mean μμ. Find the margin of error M.E. that…

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Q: An IQ test is designed so that the mean is 100 and the standard deviation is 18 for the population…

A: Given information- Population mean, µ = 100 Population standard deviation, σ = 18 Error = 4…

Q: Assume that a sample is used to estimate a population mean μ. Find the margin of error M.E. that…

A: Given that n=13,x¯=33.2,s=8.5,confidence level=0.98.

Q: An IQ test is designed so that the mean is 100 and the standard deviation is 17 for the population…

A: It is given that the confidence level is 0.90, the standard deviation is 17, and the margin of error…

Q: An IQ test is designed so that the mean is 100 and the standard deviation is 10 for the population…

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Q: sample of 40 items resul- tandard deviation is o= 5 . dard error of the mean (O

A: Given Data Population Mean,μ = 25.0 Population Standard Deviation,σ = 5.0

Q: Assume that a sample is used to estimate a population mean μμ. Find the margin of error M.E. that…

A: Given data: Sample size = 11 Sample mean  = 76.1 Sample standard deviation = 8.6 Confidence level =…

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A: Let X be the full retail price.Given,

Q: An IQ test is designed so that the mean is 100 and the standard deviation is 18 for the population…

A:

Q: The minute duration of a random category of dramas in Netflix are the following: 93, 83, 76, 92, 77,…

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Q: Assume that a sample is used to estimate a population mean μμ. Find the margin of error M.E. that…

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