find the margin of error for a sample mean, given n=16, s=4, Xbar=17. for a 95% confidence interval.
Q: Use the Student's t distribution to find t, for a 0.95 confidence level when the sample is 27.
A: sample size=n=27 Degree of Freedom=n-1=27-1 =26 Confidence level is 0.95 Therefore the Level of…
Q: Use the given confidence interval to find the population proportion margin of error. 0.54 < p < 0.68
A: Confidence interval is given by 0.54 < p < 0.68 Now, the margin of error is given by, MOE =…
Q: Use the confidence interval to find the margin of error and the sample mean. (1.52,2.06)
A: Given: Confidence interval is (1.52, 2.06) To determine: The margin error and The sample mean.…
Q: In a survey, the planning value for the population proportion is p* = 0.33. How large a sample…
A: It is given that the population proportion is 0.33.It is known that the critical value for 95%…
Q: Use the confidence interval to find the margin of error and the sample mean. (1.71, 1.99)
A: Solution: Given data: confidence Interval = (1.71, 1.99) To find: 1.Margin of error 2. Sample mean…
Q: If n=400 and X=100, construct a 95% confidence interval estimate for the population proportion.
A: Given,x=100n=400sample…
Q: If we want a 95% confidence interval for proportion within 3% how large a sample do we need?
A: It is given that margin of error (E) is 0.03 and the confidence level is 0.95.
Q: or each combination of sample size and sample proportion, find the approximate margin of error for…
A: We find Margin of Error (M.E) for 95% C.I. (d) (e)
Q: Determine the margin of error for the confidence interval for the proportion: 0.509<p<0.845 The…
A: The given confidence interval is about population mean. We have to find the margin of error. Margin…
Q: Use the given confidence interval to find the margin of error and the sample proportion. (0.704,…
A: The confidence interval for population proportion is given by (0.704, 0.732)
Q: If n = 330 and X = 264, construct a 95% confidence interval for the population proportion, p.
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Q: In a survey, the planning value for the population proportion is p* = 0.25. How large sample should…
A: Given information Error = 0.09 Population proportion = 0.25 Confidence level = 0.95
Q: For a confidence level of .90, what is the significance level?
A: We have find significant leval..
Q: Find the critical tscore to three decimal places when the Confidence Level is 90% and the sample…
A: Given ,sample size (n)=43degrees of freedom(d.f)=n-1=43-1=42α=1-0.90=0.1α2 =0.05
Q: Use the given degree of confidence and sample data to construct a confidence interval for the…
A: Given Information n =87 x =48
Q: Use the given confidence interval to find the margin of error and the sample mean. (15.3,22.3)
A: We have to find sample mean and margin of error..
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A:
Q: Use the given confidence interval to find the margin of error and thr sample mean. (5.42, 8.56)
A: Obtain the value of margin of error using the confidence limits. The value of the margin of error…
Q: Use the given degree of confidence and sample data to construct a confidence interval for the…
A: According to the provided information: The proportion can be calculated as:
Q: Use the given confidence interval to find the margin of error and the sample proportion.…
A: According to the given information, we have Confidence interval = (0.690, 0.718)
Q: Use the given confidence interval to find the margin of error and the sample mean . (12.9, 20.1)
A: See the handwritten solution
Q: kendall wants to estimate the percentage of vegetarians who are also vegan. She surveys 150…
A: The margin of error for the 95% confidence interval of population proportion is given as follows :…
Q: Use the given confidence interval to find the margin of error and the sample mean.
A:
Q: If the sample mean is 70 and the standard error of the sample mean is 8, what will be the 90%…
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Q: In a survey, the planning value for the population proportion is .25. How large a sample should be…
A: We have to find sample size..
Q: Determine the margin of error for the confidence interval for the proportion: 0.575 <p<0.722
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Q: Use the given degree of confidence and sample data to construct a confidence interval for the…
A: It is given that n=195 and x=162. The sample proportion is 162/195 = 0.8308 The sample size is 195…
Q: Use the confidence interval to find the margin of error and the sample mean. (1.59,1.89)
A: Given data,Lower limit=1.59Upper limit=1.89Margin of error=?
Q: Use the given confidence interval to find the margin of error and the sample mean. (71.7, 87.3)
A:
Q: In a survey, the planning value for the population proportion is p* 0.16. How large a sample should…
A: Obtain the sample size of a preliminary estimate for p is 0.16 with the 90% confidence. The…
Q: Use the given confidence interval to find the margin of error and the sample mean. (4.81, 8.09)
A: The confidence interval is given by (4.81, 8.09)
Q: Find the confidence level and a for an 88% confidence interval.
A: Here use confidence level and significance level as alternative of each other
Q: Determine the margin of error for the confidence interval for the proportion: 0.518 <p<0.774 The…
A: We have to find margin of error
Q: Use the given confidence interval to find the margin of error and the sample proportion.…
A: Given We have given that confidence interval (0.640 ,0.670) lower limit = 0.640 Upper limit = 0.670…
Q: Use the confidence interval to find the margin of error and the sample mean. (.364,0.500)
A:
Q: use the given degree of confidence and sample date to contruct a confidence interval for the…
A: Sample size = n = 124 Sample number of events = x = 20 Sample proportion = p̂ = x/n = (20/124) =…
Q: Construct a confidence interval for the population proportion p. n ? 144, x ? 86, 90% confidence
A: Given: Confidence level = 0.90 Sample size (n) = 144 x = 86 Sample proportion p^=xn=86144
Q: If the sample mean is 70 and the standard error of the sample mean is 8, what will be the 90%…
A:
Q: If X=68, σ=14, and n=66, construct a 95% confidence interval estimate of the population mean, μ
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Q: Find the critical value, for a 90% confidence when the sample size is 22
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Q: find the sample size if you have : margin of error =0.311 confidence level =95% p=0.5
A:
Q: Use the given degree of confidence and sample data to construct a confidence interval for the…
A: Given data, n=195 x=126 p=x/n=126/195=0.646 z-value at 95% confidence is Zc=1.96
Q: In a survey, the planning value for the population proportion is p* = 0.35. How large a sample…
A: Find z-critical value. Refer Standard normal table/Z-table OR use excel function…
Q: c) i: Calculate the average and median to the results. ii: Find a 95% confidence interval for µ.
A: S.no. x (x-xbar)^2 1 11.79 0.03092 2 11.82 0.02127 3 11.87 0.00918 4 11.92 0.00210 5 11.93…
Q: Use the given confidence interval to find the margin of error and the sample proportion.…
A: Let the confidence interval for population proportion is (a, b) Margin of Error : E =b-a2 Sample…
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A:
Q: Solve for the sample size with the assumption that the confidence coefficient is 95% and second, the…
A: Sample size estimation is integral part of inferential statistic.
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A: Solution: Let X be the heart rate. From the given information, x-bar is 96 beats per minute, S=5 and…
Q: on the data she gathers. Which one of the following combinations of sample size and confidence level…
A: here AS PER GUIDELINES I HAVE CALCULATED FIRST MAIN QUESTION , AS YOU HAVE POSTED MULTIPLE DIFFRENT…
find the margin of error for a sample
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