You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately 67%. You would like to be 90% confident that your estimate is within 1.5% of the true population proportion. How large of a sample size is required? Hint: Video [+1

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: To find: The required sample size

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: 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 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: Given that  Population proportion p=0.6 Margin of error =E =0.03 90% confidence.

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 the proportion of a population that possess a particular…

A: Given that   Proportion having genetic marker (p) = 18% = 0.18 Confidence level (C) = 90%  The…

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…

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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. 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: Find z-critical value:…

Q: If you want to be 99​%confident of estimating the population proportion to within a sampling error…

A: GivenSampling Error(E)=0.06population proportion(p)=0.36confidence…

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: 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. 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: Given dataError = 2% = 0.02Confidence level = 0.98Significance level = α=1-0.98=0.02

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

A: For a 99% confidence interval, the corresponding critical value is calculated using excel:

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: sample size n=?

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. 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: Find z-critical value:…

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

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

A: Given, Confidence level, 1 - α= 98% => α = 0.02 Margin of error, E = 5%

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

A: Here we want to find sample size from the given information.

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

A: In the question the given values are- p^=0.5q^=1-0.5=0.5 Margin of error E=0.01 At 90% confidence…

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: 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. 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: Scanned with CamScanner 10. You wish to estimate, with 95% confidence, the proportion of senior high…

A: Since there is no prior information about the population proportion, it is considered as p=0.5. It…

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

Q: A medical researcher says that less than 88% of adults in a certain country think that healthy…

A: At α=0.01, the critical value is -2.326. (From the z-tables)

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

A:

Q: (a) What proportion of college graduates answered yes when asked if they had ever used online…

A: The assumed CI for the difference in proportions is,     (p^1-p^2)±(Z * SE)where Standard Error…

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: 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. 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…

A: The population proportion is p*=30%, the confidence level is 99.9%, and margin of error is 2%.

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

A: Solution: Given: Confidence level: C =  0.95 Margin of error: E  = 5% = 0.05 There is no preliminary…

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: The confidence level is 90% Therefore, α = 0.10 and α/2=0.05. The margin of error is 0.02 The…

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

A:

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.