MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Choose a type of confidence interval: one proportion z, two proportion z, one sample t, two sample t, or paired t.
Can someone create one or a few original practice problems that could be solved using that test and show the full solution?
If you can be thorough in your explanation it would be great. I need some new ones to work on and compare my work to the answers. Thanks
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- We wish to estimate what percent of adult residents in a certain county are parents. Out of 600 adult residents sampled, 150 had kids. Based on this, construct a 90% confidence interval for the proportion � of adult residents who are parents in this county.Give your answers as decimals, to three places.arrow_forwardConvert the estimate and your confidence interval to Percents. Discuss reasons the estimate might be biased.arrow_forwardSolve the fourth onearrow_forward
- this solution is incorrect since the confidence level is 90% margin of error is 3%arrow_forwardOut of 400 people sampled, 288 had kids. Based on this, construct a 99% confidence interval for the true population proportion of people with kids.Give your answers as decimals, to three places please explain how to do this using excel. Excel is how my teacher wants us to find the answers but I dont know what formula to use.arrow_forwardFor the following questions, THERE IS NO NEED FOR EXPLANATION. PLEASE PROVIDE JUST THE ANSWER THANK YOU. Please DO NOT waste time on writing things to explain. Please answer in 30 mintues or else I will write a bad review. If you follow my rules and answer in less than 30 mintues then I will write a very long and wonderful review about you. ANSWER the questions correlty and please answer all the questions with what it regards in saying exactly.arrow_forward
- A research survey is commissioned to estimate the proportion of UK people who have traveled to France by taking Eurostar. The survey is told that the estimate must not differ from the true proportion by more than 3% with a confidence level of 95%. How large a sample should be taken? How about at 99% confidence?arrow_forwardquestion 15arrow_forwardThis my third time posting the same question. Because no one answer it straight to me. I already answered the question. Could you please tell me which one of these are not correct. and if so Could you please tell me the correct answer first then explain it. Also could you please highlight the correct answer for each onearrow_forward
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