You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p = 28 % . You would like to be 95% confident that your esimate is within 2% 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…

A: The confidence level is 95% Therefore, α = 0.05 and α/2=0.025. The margin of error is 0.045 Since…

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

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

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

A: The population proportion is 0.76, confidence level is 96%, and margin of error is 0.04.

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

A: Given dataError = 2.5% = 0.025Confidence level = 0.98

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

A: Given,   Margin error = 0.015 Population proportion = 0.21   The objective is to find the sample…

Q: If you have a z-score of 4.00 and the body proportion is .99997 and the question is asking for the…

A: The z-score is given by 4.

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. Based on previous evidence, you…

A: Given information: Population proportion p=0.9 Confidence level = 97% Margin of error = 4%

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

A:

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

A:

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…

A:

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

A: It has been provided that Population proportion (p) = 0.4 Margin of error (E) = 5% = 0.05 Confidence…

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. 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: Solution: From the given information, confidence level is 0.99 and E=0.01.

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. At this point in time, you have no…

A: According to the provided information, Proportion is unknown. So, worse case proportion is 50%. p =…

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 0.03 and the confidence level is 95%.

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

A: It is given that margin of error (E) is 0.02 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: The provided information are: Population proportion (p) = 40% = 0.40 Margin of error (E) = 1.5% =…

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: Answer:-  Given, P=0.76 q=1-p=1-0.76=0.24 Confidence level=99% Critical Z value =2.5758 Margin of…

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 96% confidence level for two…

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

A: Given: Population proportion (p) = 0.69 Confidence level = 96% = 0.96 Margin of error (E) = 3% =…

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

A: The formula for the sample size is as follows:

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

A:

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 . Based on previous evidence, you…

A: Given data : Population proportion  = 0.81 Margin of error  = 0.05 Confidence level = 98%

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: Given that, Critical value: Using the z-table, the critical value at 99% confidence level is,

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

A: Given Information: Population proportion p = 31% = 0.31 Confidence level = 98% = 0.98 Margin of…

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: 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…

A: Given Information:  Confidence level = 90% Error (e) = 0.035 (3.5%) z score at 90% confidence level…

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= 13%=0.13 Margin of error = 4.5% = 0.045 98 %…

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

A:

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 required sample size is calculated by using the formula: The population proportion is given to…

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

A:

Q: With no preliminary estimate of the proportion known, how many young adults would you survey to…

A: It is given that margin of error (E) is 0.10 and the confidence level is 0.99.

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. Based on previous evidence, you…

A: The given population proportion is 28%, confidence level is 98% and margin of error is 1.5%.

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

A:

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

A: The Population proportion is 90%; p=0.90 Margin of error is 2%; E=0.02 α=0.05