You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p = 0.37. You would like to be 98% confident that your esimate is within 3% of the true population proportion. How large of a sample size is required? need help with the answer and can you use  ti84

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. At this point in time, you have no…

A: From the given information, confidence level is 0.99. Margin of error E = 0.04. Level of…

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

A: Given  Margin of error=E=2.5%=0.025 80% confidence level then alpha=0.20 ,Zc=1.28 The no estimate of…

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: Introduction: The confidence interval for the population proportion, p at the 100 (1 – α) %…

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…

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: Here we need to find the required sample size. Given margin of error is 3%.

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

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

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: Find z-critical value:…

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. 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: When we don't have any prior information about the population proportion, we generally take it as…

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

A: Given data, p=30%=0.30 E=0.1%=0.001 z value at 99.5% confidence is Zc=2.807 n=?

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 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:

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: 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. 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: From the provided information, Population proportion (p) = 0.27 Margin of error (E) = 3.5% or 0.035…

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

A: Solution: From the given information, confidence level is 0.90, p=0.59 and E=0.03.

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: 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, the population proportion is p = 0.63. The margin of error is ME = 0.03. The level…

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…

A: Solution: From the given information, confidence level is 0.97, p=0.62 and E=0.04.

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

A: Sample size: The  sample size for a desired confidence level, α with a given margin of error, E is…

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. 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…

A: Given: Refer Standard normal table/Z-table OR use excel function "=NORM.S.INV(1-0.02)" to find…

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: Given data,p=59%=0.59E=0.5%=0.005z-value at 90% confidence is Zc=1.645n=?

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: Given Information Error = 2% = 0.02 Confidence level = 0.90

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: Given data Error = 0.5% = 0.005 Confidence level = 0.90

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. 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 provided information, Population proportion (p) = 0.86 Confidence level = 99% Margin of…

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: According to the provided information,

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:

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. 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, Margin error (E) = 0.015 Population proportion = 0.39   The objective is…

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

A:

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.