You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable preliminary estimation for the population proportion. You would like to be 80% confident that you estimate is within 3.5% of the true population proportion. How large of a sample size is required?

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

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

A: The margin of error (E) is 0.03 and the confidence level is 95%.

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

A: According to previous evidence, the population proportion (p) is 36%, that is, 0.36.Here, the margin…

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

A: From provided information; Margin of error M.E = 4.5% that is 0.045 Confidence level= 90% The z…

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

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

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Q: Applying the law of large numbers, which sample mean would expect to be closer to the population…

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

A: From the given information, the population proportion is 0.2, the confidence level is 90% and the…

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

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

A: Solution

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

A: Obtain the critical value at 95% confidence level:It is given that the proportion value is 0.33 and…

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

A: Let point estimte be p=0.5E=2%=0.02z-value at 95% confidence is Zc=1.96n=?

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

A: From the given information,   Margin of error E= 0.01 Population proportion p= 0.33 Confidence level…

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

A: Find z-critical value:…

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

A: It is given that margin of error (E) is 0.045 and the confidence level is 0.90.

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

A: We have given that,  Population proportion (p) = 58% = 0.58, margin of error (E) = 4% = 0.04 and…

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

A: compute sample size ( n ) = n=(Z/E)^2*p*(1-p)

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

A: Step-by-step procedure to obtain the value of z using MINITAB:Choose Graph > Probability…

Q: A researcher wishes to estimate the proportion of corporate executives whose annual salary is over…

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

A: Givenpopulation proportion(p)=0.74Margin of error(E)=0.05confidnence interval…

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

A: Margin of error = 0.035When no information is given about the proportion, we take p = 0.5.…

Q: s the newly hired manager of a company that provides cell phone service, you want to determine the…

A: It is given that margin of error (E) is 0.92 and the confidence level is 0.90.

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

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

A: Obtain the sample size of a preliminary estimate for p is 0.77. The formula of sample size is, Use…

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

A: Find z-critical value:…

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

A: The confidence level is 99.5%, margin of error is 0.2%.

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

A: It is given that margin of error (E) is 0.05 and the confidence level is 0.99.

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

A: From provided information; Margin of error M.E = 0.01 Confidence level= 99% Considering population…

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

A: The calculation for the size of the population can be done using the finite population or infinite…

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

A: This question requires accurate results, Hence I will use excel to solve this question.…

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

A: Thus, it is given that the confidence level is 95%. Therefore, the significance level, α = 0.05.From…

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

A: Obtain the sample size of a no preliminary estimate for p. The formula of sample size is, Use EXCEL…

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

A: Given that, Critical value: Using the z-table, the critical value at 95% confidence level is ,

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

A: Solution: Given information: Margin of Error = E = 0.01  α=0.10 Level of significance Assumed p =…

Q: How large a sample must she select if she desires to be 98% confident that the true mean is within 4…

A: HERE GIVEN , population standard deviation  = 6 ounces  confidence level = 98%  MOE  = 4

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: Sleep Aids. The additional sleep, to the nearest tenth of an hour, obtained by a sample of 100…

A: Quantitative variable: A variable that provides numerical values of individual and Arithmetic…

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

A: The confidence level is 99%. Therefore, α = 0.01 and α/2=0.005. The margin of error is 0.015 The…

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

A: Given that, Critical value: Using the z-table, the critical value at 90% confidence level is,

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

A: The confidence level is 90%. Therefore, α = 0.10 and α/2=0.05. The margin of error is 5% =0.05 Since…

Q: How hard is it to reach a businessperson by phone? If p is the proportion of of calls. How many…

A: Solution: Given information: Margin of error = E= 0.02 p= 0.18 population  proportion  q= 1-p=0.82…

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

A: Obtain the large sample size. The large sample size is obtained below as follows: The formula of…

Q: You would like to be 99.9 confident that your estimate is within 2% of the true population…

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

A: Introduction: The 100 (1 – α) % confidence interval for the population proportion, p is: Here, n is…

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

A: It is given that margin of error (E) is 0.045, the population proportion is 0.19 and the confidence…

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

A: Given, Margin error (E) = 0.01 Assume sample proportion = 0.5   The objective is to find the sample…

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

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.