In a survey sample of 83 respondents, about 30.1 percent of the sample work less than...

In a survey sample of 83 respondents, about 30.1 percent of the sample work less than 40 hours per week. Calculate a 99 percent confidence interval for the proportion of persons who work less than 40 hours per week.

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orchestra answered 2 years ago

7. In a survey sample of 83 respondents, about 30.1 percent of the sample work less...

7. In a survey sample of 83 respondents, about 30.1 percent of the sample work less than 40 hours per week. Calculate a 99 percent confidence interval for the proportion of persons who work less than 40 hours per week.

Respondents in the 2017 General Social Survey (GSS) were asked “on an average work day, about...

Respondents in the 2017 General Social Survey (GSS) were asked “on an average work day, about how many hours do you have to relax or pursue the activities that you enjoy?”. 244 males responded to the question and 262 females responded. Men reported an average of 3.28 hours per day (with a standard deviation of 2.12 hours) and women reported an average of 2.99 hours per day (sd=2.05). A. Calculate and interpret the 95% confidence interval for relaxation hours for...

In a random sample of 17 people, the mean commute time to work was 30.1 minutes...

In a random sample of 17 people, the mean commute time to work was 30.1 minutes and the standard deviation was 7.3 minutes. Assume the population is normally distributed and use a t-distribution to construct a 99% confidence interval for the population mean mu. What is the margin of error of mu? Interpret the results.

In a random sample of 28 people, the mean commute time to work was 30.1 minutes...

In a random sample of 28 people, the mean commute time to work was 30.1 minutes and the standard deviation was 7.2 minutes. Assume the population is normally distributed and use a t-distribution to construct a 95% confidence interval for the population mean mu. What is the margin of error of mu? Interpret the results. The confidence interval for the population mean mu is: What is the margin of error of mu?

A research group conducted a survey about church attendance. The survey respondents were asked about their...

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A global survey published in 2019 indicated that 99 percent of the respondents would like to work remotely at least some of the time and 95 percent of the respondents indicated that they encourage others to work remotely.86 In another survey published the same year, 47 percent of respondents indicated that a remote work policy is important to them when looking for a new job. Also, 40 percent indicated they would consider a pay cut for a job that allows...

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In a recent survey about US policy in Iraq, 62 % of the respondents said that they support US policy in Iraq. Females comprised 53% of the sample, and of the females, 46% supported US policy in Iraq. A person is selected at random. What is the probability that the person we select is female and supports U.S. policy in Iraq? Are the events "does not support U.S, policy in Iraq" and "female" statistically independent? Why or why not? What...

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Stress at work: In a poll about work, 84% of respondents said that their jobs were sometimes or always stressful. Twelve workers are chosen at random. Round the answers to four decimal places. (a) What is the probability that exactly 11 of them find their jobs stressful? (b) What is the probability that more than 9 find their jobs stressful? (c) What is the probability that fewer than 6 find their jobs stressful? (d) Would it be unusual if fewer...

In a recent survey about appliance ownership, 58.3% of the respondents indicated that they own Maytag...

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A survey was given with 125 respondents about raising minimum wage. Results are shown in a...

A survey was given with 125 respondents about raising minimum wage. Results are shown in a two way table below. for raising against raising no opinion total age 21-40 35 20 5 60 age 41-50 30 35 20 85 total 45 55 35 145 i) What is the probavility the respondent is of age 21-40, and has no opion? ii) Given that a respondent is of age 21-40, what is the probability the respondent is against raising the minimum wage?...

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