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Page f) You are putting new carpet in the family room. The room measures 16 ft. by 24 ft. The carpet comes in square yards, not square feet. How many square yards of carpet do you need to purchase? g) If you use your office computer 40 hours per week, and do not unplug the computer when it is not in use, how much carbon dioxide is produced from the "vampire energy" used by the computer in one year? h) People spend an average of 7 hours per day on their home computers with a standard deviation of 1 hour. What proportion spends at least 5 hours per day on their home computers? Write a sentence that states your findings. i) Polygraph tests have an accuracy rate of about 90% meaning it will detect 90% of people who lie and 90% of people who are telling the truth. A company of 5000 employees has everyone submit to a polygraph test. It turns out there are 50 employees who will lie during their polygraph. If someone does not pass their polygraph test, what is the probability they lied? Write a paragraph about your analysis. Out of 5,000 Positive test (detects a lie) |Negative test (detects no lie) Lie during test: Didn't lie during test: Totals There is a(n) chance an employee lied if they did not pass their test (got a positive test)