Suppose that a garage finds that 30 customers of 138 customers samples get their oil changes on time. Find a 98% confidence interval of the true proportion. What is the upper bound of the confidence interval? (round to 4 decimal places)
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A: given data, x=132n=200CI=0.90α=1-0.90=0.10p^=xn=132200=0.66
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A: According to the given information in this question We need to construct 99% confidence interval
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A: given data, n=300x=had kids=237p^=xn=237300=0.79CI=0.90α=1-0.90=0.10
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A: From the provided information, Out of 500 people sampled, 245 had kids. That is x = 245 and n = 500…
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A: Given data, x=14 n=100 p=x/n= 14/100= 0.14 The z value at 95% confidence is Z=1.96
Suppose that a garage finds that 30 customers of 138 customers samples get their oil changes on time. Find a 98% confidence interval of the true proportion.
What is the upper bound of the confidence interval? (round to 4 decimal places)
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- Out of 500 people sampled, 470 had kids. Based on this, construct a 95% confidence interval for the true population proportion of people with kids. Give your answers as decimals, to four places <p<Out of 300 people sampled, 258 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 four places < p<Out of 500 people sampled, 415 had kids. Based on this, construct a 95% confidence interval for the true population proportion of people with kids.Give your answers as decimals, to four places < p <
- Out of 200 people sampled, 186 had kids. Based on this, construct a 90% confidence interval for the true population proportion of people with kids.Give your answers as decimals, to three places < p <Out of 500 people sampled, 280 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 four places < p <Out of 400 people sampled, 212 had kids. Based on this, construct a 90% confidence interval for the true population proportion of people with kids. Give your answers as decimals, to three placesOut of 200 people sampled, 112 had kids. Based on this, construct a 95% confidence interval for the true population proportion of people with kids. Give your answers as decimals, to three places < p <In a sample of 470 adults, 306 had children. Construct a 99% confidence interval for the true population proportion of adults with children.Give your answers as decimals, to three places < p <Out of 100 people sampled, 27 had kids. Based on this, construct a 95% confidence interval for the true population proportion of people with kids. Give your answers as decimals, to three placesOut of 100 people sampled, 48 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 four placesOut of 300 people sampled, 270 had kids. Based on this, construct a 90% confidence interval for the true population proportion of people with kids. Give your answers as decimals, to three places. < p <An environmentalist wants to find out the fraction of oil tankers that have spills each month. Suppose a sample of 455 tankers is drawn period of these ships, 310 do not have spills. Using the data, construct the 85% confidence interval for the population proportion of oil tankers that have spills each month. Round your answers to 3 decimal places Lower endpoint = Upper endpoint =SEE MORE QUESTIONSRecommended textbooks for youMATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons Inc
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