It is unknown. O 25 07 a-2. What is the best estimate of this value? Best estimate c. For a 95% confidence interval, what is the value of ? (Round your answer to 3 decimal places.) Value of t 2.110 d. What is the margin of error? (Round your answer to 2 decimal places.) Margin of error e. Develop the 95% confidence interval for the population mean. (Round your answers to 2 decimal places.) Confidence interval 21.51 to 28.48 f-1. Would it be reasonable to conclude that the population mean is 19 eggs?

Q: The owner of the West End Kwick Fill Gas Station wishes to determine the proportion of customers who…

A: The formula of the confidence interval is,

Q: Determine the sample size for the estimate of u if the margin of error E= 0.10, o=0.85, and the…

A: Given,Margin of error, E = 0.10Population standard deviation, σ = 0.85Confidence level, C = 99% =…

Q: Plz help asap 5…

A: we can use the formula:where: CI = Confidence interval p̂ = Sample proportion Z = Z-score…

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A: Given,margin of error (E)=3standard deviation(s)=19.5

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A: 3). It is given that:

Q: Use the confidence interval to find the margin of error and the sample mean.   (0.342, 0.460) The…

A: Here we have given confidence interval to find the margin of error and the sample mean.  As (0.342,…

Q: A second student did the same survey for a different class of 29 students, but was not able to find…

A: Sample mean = x̅ = 2.9 Sample size = n = 29 Sample S.D = s = 1.8 Standard Error = s/√n  =…

Q: Here are summary statistics for randomly selected weights of newborn girls: n = 237, x= 29.8 hg, s=…

A: Here, x-bar=29.8, s=6.2, n=237.

Q: Which of the following Z values would you use to calculate the 95% confidence interval? 1.28 1.96…

A:

Q: You plan to conduct a survey to find what proportion of the workforce has two or more jobs. You…

A: Suppose p is the true population proportion of workforce has two or more jobs.

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A: For the given statements select the correct choices

Q: Use the confidence interval to find the estimated margin of error. Then find the sample mean.   A…

A: Given,confidence interval(CI)=3.0  ,   4.4

Q: Refer to the accompanying data set and construct a 90% confidence interval estimate of the mean…

A: The descriptive analysis is conducted using EXCEL. The software procedure is given below: Enter the…