Suppose that you calculated the sample size needed to estimate a population proportion within a given margin of error and the answer came out to n = 115.26. How many items should be sampled? 115 100 116 115.26

Q: Determine the sample size associated with the following formula. Remember to always round up to the…

A: Solution Answer is 112

Q: Use the expression in the accompanying discussion of sample size to find the size of each sample if…

A: From the provided information, Margin of error (E) = 0.06 Confidence level = 95% The Z value at 95%…

Q: You want to obtain a sample to estimate a population proportion. At this point in time, you have no…

A: Solution: From the given information, confidence level is 0.999 and E=0.05.

Q: Calculate the proportion of the 100 samples that had at least five people own a dog. Round your…

A: You can use normal approximation..

Q: You want to obtain a sample to estimate a popu time, you have no reasonable preliminary estimation…

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Q: If the formula X= -x, is used to find the mean of the following sample, what is the value of n? 2,…

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Q: 2. Musical megabytes How much disk space does your music use? Here are the file sizes (in megabytes)…

A: As per our guidelines we are suppose to answer only one question2)Given data set…

Q: A researcher wishes to estimate the number of households with two cars. How large a sample is needed…

A: Given :Margin of error:ME = 0.06sample proportion:p̂ = 0.23

Q: Use the expression in the accompanying discussion of sample size to find the size of each sample if…

A: Find z-critical value:…

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A: Given that  Margin of error = E = 4.5% = 0.045 90% confident  Level of significance = 10% = 0.10

Q: Given the sample data 21 19 13 32 27   find the range

A: Sample data: 21 ,19, 13 ,32, 27

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A: Given Information:Margin of error, E=1.5%=0.015Confidence level, c=95%=0.95

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

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Q: What is the interpretation of a Standard Error of 1.67? a. very high sampling error O b. acceptable…

A: 1) Standard error: Standard error is a measure which is obtained by dividing the standard deviation…

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A: Margin of error =E =0.025 Population proportion p=38%=0.38

Q: You are the operations manager for an airline and you are considering a higher fare level for…

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Q: the sample size affect the margin of error, E? size increases, the margin of error stays the same.…

A: According to the given information in this question, we need to identify the correct option about…

Q: You want to be 95% confident that the population mean is between 9.5 and 10.5, how big of a sample…

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Q: If the formula X=-x, is used to find the mean of the following sample, what is the value of n? 51,…

A: We have given that  The data are 51,37,83,44,52,19,99,7,36

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A: Given : confidence : 99% Margin of error = 2.5

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A: Given,margin of error(E)=0.055

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A:

Q: If N is the size of the population and n is the size of the sample, find the sampling fraction?

A: From the provided information, The population size is N and the sample size is n.

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A: a)

Q: n IQ test is designed so that the mean is 100 and the standard deviation is 16 for the population of…

A: Given: μ=100, σ=16 and SE=8.   The formula of standard error is SE=zσn

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A: Solution

Q: You want to obtain a sample to estimate a population proportion. At this point in time, you have no…

A: Given that  Margin of error =E =0.05 99.9% confidence level

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A:

Q: Use the expression in the accompanying discussion of sample size to find the size of each sample if…

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Q: You are the operations manager for an airline and you are considering a higher fare level for…

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Q: You are told that the proportion of those who answered "no" to a political survey is 0.60, and that…

A: Given Information: Proportion of those who answered "no" to a political survey is 0.60 i.e., p=0.60…

Q: Use the expression in the accompanying discussion of sample size to find the size of each sample if…

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Q: You want to obtain a sample to estimate a population proportion. At this point in time you have no…

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Q: Find the population mean or sample mean Sample: 18, 10, 1, 12, 14 D Select the correct choice below…

A: The sample data is given as, 18,10,1,12,14. For the sample data the sample mean needs to calculated.…

Q: You are the operations manager for an airline and you are considering a higher fare level for…

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