Mathematics, 19.02.2021 16:50 AshyCakes
According to an online survey by Harris Interactive for job site CareerBuilder, more than half of IT (information technology) workers say they have fallen asleep at work (InformationWeek, September 27, 2007). Sixty-four percent of government workers admitted to falling asleep on the job. Consider the following contingency table that is representative of the survey results.
Slept on the Job IT Professional Government Professional
Yes 155 256
No 145 144
1. Convert the contingency table into a joint probability table. (Round the intermediate calculations and final answers to 4 decimal places.)
2. What is the probability that a randomly selected worker is an IT professional? (Round the intermediate calculations and final answers to 4 decimal places.)
3. What is the probability that a randomly selected worker slept on the job? (Round the intermediate calculations and final answers to 4 decimal places.)
4. If a randomly selected worker slept on the job, what is the probability that he/she is an IT professional? (Round the intermediate calculations and final answers to 4 decimal places.)
5. If a randomly selected worker is a government professional, what is the probability that he/she slept on the job? (Round the intermediate calculations and final answers to 4 decimal places.)
6. Are the events "IT Professional and Slept on the Job" independent? Explain.
Answers: 3
Mathematics, 21.06.2019 18:50
Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5
Answers: 1
Mathematics, 22.06.2019 03:00
The hockey team has been great! in 2008 they won 20% more games than in 2007. in 2009 they won 50% more games than in 2008. what was their overall percentage increase from 2007 through 2009?
Answers: 2
Mathematics, 22.06.2019 04:00
Suppose the equation of a line is 2x − 4y = − 8. which coordinate pair represents the y-intercept?
Answers: 2
According to an online survey by Harris Interactive for job site CareerBuilder, more than half of IT...
Mathematics, 04.03.2021 18:30
Arts, 04.03.2021 18:30
Biology, 04.03.2021 18:30
Mathematics, 04.03.2021 18:30
Mathematics, 04.03.2021 18:30
History, 04.03.2021 18:30
Physics, 04.03.2021 18:30
Mathematics, 04.03.2021 18:30
Biology, 04.03.2021 18:30