Question

In: Statistics and Probability

You live near a Mac Donnel’s and want to estimate the proportion, p, of your neighbors...

You live near a Mac Donnel’s and want to estimate the proportion, p, of your neighbors who go there on a typical day.

a. How many people in your neighborhood should you include in your random sampling to be 94% sure that you are within 1% of the population proportion? ___________.

b. If 23 out of 45 of Crista’s neighbors visit Mac Donnel’s every day, how many people should be included in your random sampling to be 86% sure that you are within 2% of the population proportion? _________

Solutions

Expert Solution

orchestra answered 2 years ago
Next > < Previous

Related Solutions

A. You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p∗=28%p∗=28%.
  A. You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p∗=28%p∗=28%. You would like to be 99.5% confident that your esimate is within 2.5% of the true population proportion. How large of a sample size is required?n =___ B. Giving a test to a group of students, the grades and gender are summarized below   A B C Total Male 17 15 16 48 Female 7...
You want to obtain a sample to estimate a population proportion. At this point in time,...
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. You would like to be 98% confident that you esimate is within 0.1% of the true population proportion. How large of a sample size is required?
You want to obtain a sample to estimate a population proportion. At this point in time,...
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 98% confident that you estimate is within 3% of the true population proportion. How large of a sample size is required? Do not round mid-calculation. n =
You want to obtain a sample to estimate a population proportion. At this point in time,...
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 90% confident that you estimate is within 3.5% of the true population proportion. How large of a sample size is required?
You want to obtain a sample to estimate a population proportion. At this point in time,...
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. You would like to be 99% confident that you esimate is within 5% of the true population proportion. How large of a sample size is required? n = ?
You want to obtain a sample to estimate a population proportion. At this point in time,...
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 90% confident that you estimate is within 4% of the true population proportion. How large of a sample size is required? n= ____
QUESTION PART A: You want to obtain a sample to estimate a population proportion. At this...
QUESTION PART A: 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. You would like to be 99.9% confident that you esimate is within 1.5% of the true population proportion. How large of a sample size is required? n = QUESTION PART B: If n = 300 and ˆp (p-hat) = 0.3, construct a 90% confidence interval. Give your answers to three decimals _____<...
1. You want to obtain a sample to estimate a population proportion. At this point in...
1. 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 95% confident that you estimate is within 1% of the true population proportion. How large of a sample size is required? n = 2.Based on historical data in Oxnard college, we believe that 38% of freshmen do not visit their counselors regularly. For this year, you would like...
-You want to obtain a sample to estimate a population proportion. At this point in time,...
-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. You would like to be 90% confident that you esimate is within 2.5% 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. -You want to obtain a sample to estimate a population proportion. Based on...
1. You want to obtain a sample to estimate a population proportion. At this point in...
1. 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 95% confident that you estimate is within 3% of the true population proportion. How large of a sample size is required? 2. A political candidate has asked you to conduct a poll to determine what percentage of people support her. If the candidate only wants a 8% margin...
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT