It is said that happy and healthy workers are efficient and productive. A company that manufactures...
It is said that happy and healthy workers are efficient and productive. A company that manufactures exercising machines wanted to know the percentage of large companies that provide on-site health club facilities. A sample of such 240 companies showed that 98 of them provide such facilities on site. Construct a 95% confidence interval for the percentage of all such companies that provide such facilities on site. What is the margin of error for this estimate? Round your answers to one decimal place.
Confidence interval:
Margin of error:
Homework Answers
![Solution: 9) 95% confidence interval = P + Top Selle 98 240 98 240 240 240 contidence interval 134.6 Jr. C pe [47. 1]; 34.61](http://img.homeworklib.com/questions/b34cf1c0-c699-11ea-ac0b-abf0ce84cbbb.png?x-oss-process=image/resize,w_560)
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It is said that happy and healthy workers are efficient and
productive. A company that manufactures...
It is said that happy and healthy workers are efficient and productive. A company that manufactures...
It is said that happy and healthy workers are efficient and productive. A company that manufactures exercising machines wanted to know the percentage of large companies that provide on-site health club facilities. A sample of 240 such companies showed that 101 of them provide such facilities on site. Construct a 96% confidence interval for the percentage of all such companies that provide such facilities on site. What is the margin of error for this estimate? Round your answers to one...
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It is said that happy and healthy workers are efficient and productive. A company that manufactures exercising machines wanted to know the percentage of large companies that provide on-site health club facilities. A sample of 240 such companies showed that 101 of them provide such facilities on site. Construct a 96% confidence interval for the percentage of all such companies that provide such facilities on site. What is the margin of error for this estimate? Round your answers to one...
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Question 3 (13 points) In a survey of 1002 people, 70% said that they voted in a recent presidential election. Answer the questions to construct and interpret a 95% confidence interval for the true percentage of people who say they voted. a. (1 pt.) What parameter are you estimating? (p or u) b. (1 pt.) Give the point estimate that you will use. c. (3 pts.) Compute the margin of error. Show your work! d. (1...
all answers please!!
1. A company that produces brendis concerned about the distribution of the amount of sodium in its bread. The company takes a simple random sample of 100 slices of bread and compute the sample mean to be 103 milligrams of sodium per slice. Assume that the population standard deviation is 10 milligrams a) Construct a 95% confidence interval estimate for the mean sedium level. b) Construct a 99% confidence intervalestime for the mean sodium level. 2. Fill...
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