You want to obtain a sample to estimate the proportion of a population that possess a particular geneticmarker. Based on previous evidence, you believe approximately p*= 25% of the population have thegenetic marker. You would like to be 90% confident that your estimate is within 1.5% of the true populationproportion. How large of a sample size is required?n =Do not round mid-calculation. However, you may use a critical value accurate to three decimal places.

Answered: You want to obtain a sample to estimate…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p*=24%. You would like to be 95% confident that you estimate is within 0.5% of the true population proportion. How large of a sample size is required?n = Do not round mid-calculation. However, use a critical value accurate to three decimal places.
If you want to be 95% confident of estimating the population proportion to within a sampling error of +0.05 and there is historical evidence that the population proportion is approximately 0.44, what sample size is needed? A sample size of is needed. (Round up to the nearest integer.) an on on (STAT
.) calculate z score for x=11 if u=10 and standard deviation is 2
You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately 12%. You would like to be 98% confident that your estimate is within 1.5% of the true population proportion. How large of a sample size is required? Round your critical value to 3 places.
You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p∗=72%p∗=72%. You would like to be 95% confident that your esimate is within 0.2% of the true population proportion. How large of a sample size is required?n = Do not round mid-calculation. However, use a critical value accurate to three decimal places.
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 99.9% confident that your esimate is within 1% of the true population proportion. How large of a sample size is required?n = Do not round mid-calculation. However, use a critical value accurate to three decimal places.
You may need to use the appropriate appendix table or technology to answer this question. Of 290 female registered voters surveyed, 119 indicated they were planning to vote for the incumbent president. Of 425 male registered voters, 157 indicated they were planning to vote for the incumbent president. (a) Compute the test statistic. (Use female male. Round your answer to three decimal places.) (b) At a = 0.01, test to see if there is a significant difference between the population proportions of females and males who plan to vote for the incumbent president. (Use the p-value approach.) Calculate the p-value. (Round your answer to three decimal places.) p-value = What is your conclusion? O Do not reject Ho. We can conclude that there is a significant difference between the two poplation proportions. O Do not reject Ho. We cannot conclude that there is a significant difference between the two population proportions. O Reject Ho. We cannot conclude that there is a significant difference…
You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p* your esimate is within 0.2% of the true population proportion. How large of a sample size is required? 14 % . You would like to be 90% confident that n = Do not round mid-calculation. However, use a critical value accurate to three decimal places.
Based on historical data in Oxnard college, we believe that 30% of freshmen do not visit their counselors regularly. For this year, you would like to obtain a new sample to estimate the proportiton of freshmen who do not visit their counselors regularly. You would like to be 99% confident that your estimate is within 5% of the true population proportion. How large of a sample size is required? Do not round mid-calculation.
You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable estimate for the population proportion. Your would like to be 90% confident that you estimate is within 3% of the true population proportion. How large of a sample size is required? n = Do not round mid-calculation. However, use a critical value accurate to three decimal places. Submit Question Question 19
You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p = 75 %.You would like to be 99% confident that your esimate is within 5% of the true population proportion. How large of a sample size is required? n = Do not round mid-calculation. However, use a critical value accurate to three decimal places.

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