- 1A recent survey shows that the average man will spend 141,288 hours sleeping, 85,725 hours working, 81,681 hours watching television 9,945 hours commuting, 1,662 hours kissing, and 363,447 hours on other tasks during his lfetime
A recent survey shows that the average man will spend 141,288 hours sleeping, 85,725 hours working, 81,681 hours watching television 9,945 hours commuting, 1,662 hours kissing, and 363,447 hours on other tasks during his lfetime. What percent of his life, to the nearest tenth of a percent, does he spend sleeping?

- 2Total Hours Hours Studying GPA Hours Working Income60 60 4.0 0 $0 60 40 3.0 20
Total Hours Hours Studying GPA Hours Working Income60 60 4.0 0 $0 60 40 3.0 20 $1.0060 30 2.0 30 $150.0060 10 1.0 50 $250.0060 0 0.0 60 $300.00 a. Calculate the opportunity cost of an increase in the number of hours spent studying in order to earn a 3.0 grade point average rather than a 2.0 GPA. b. is the opportunity cost the same for a move from a 0.0 GPA to a 1.0 GPA as it is for a move from a 1.0 Gpa to a 2.0 GPA. c. What is the opportunity cost of an icnrease in income from $100 to $150. Total Hours Hours Studying GPA Hours Working Income60 50 4.0 10 $60 60 40 3.0 20 $120.0060 20 2.0 40 $240.0060 10 1.0 50 $300.0060 0 0.0 60 $360.00 a. Define comparative advantage. b. Does either individual (the one in exercise 4 or the one in exercise 5) have a comparative advantage in both activities? c. Who should specialize in studying and who should specilaize in working? 6. A doctor earns $250,000 per year, while a profesor earns $40,000. They play tennis against each other Saturday morning, each give up a morning relaxing, reading the paper, and playing with their children. They could each decide to work a few extra hours on Saturday to earn more income. But they choose to play tennis or to relax around the house. Are their opportunity costs of playing tennis different?

- 3a survey shows that the amount of time sophomores study per week is normally distribution with a mean of 4.5 hours and a standard deviation of 1.5 hours
a survey shows that the amount of time sophomores study per week is normally distribution with a mean of 4.5 hours and a standard deviation of 1.5 hours. a what percentage of sophomores study more than 6 hours per week? b. what percentage of sophomores study less than 3 hours per week?

- 4you got 8 hours of sleep on monday night and 7 hours of sleep on tuesday night on wednesday you only got 4 hours of sleep because you were up late working on an english paper on thursday and friday you got 9 hours of sleep each night to make up for wednes
you got 8 hours of sleep on monday night and 7 hours of sleep on tuesday night on wednesday you only got 4 hours of sleep because you were up late working on an english paper on thursday and friday you got 9 hours of sleep each night to make up for wednesday. use a verbal model to find how many hours of sleep you got during the week

- 5you got 8 hours of sleep on monday night and 7 hours of sleep on tuesday night on wednesday you only got 4 hours of sleep because you were up late working on an english paper on thursday and friday you got 9 hours of sleep each night to make up for wednes
you got 8 hours of sleep on monday night and 7 hours of sleep on tuesday night on wednesday you only got 4 hours of sleep because you were up late working on an english paper on thursday and friday you got 9 hours of sleep each night to make up for wednesday. use a verbal model to find how many hours of sleep you got during the week

- 6the least common multiple of 3, 6,9 i say 18Sheila practiced hours Monday, hours Tuesday, and hours Wednesday
the least common multiple of 3, 6,9 i say 18Sheila practiced hours Monday, hours Tuesday, and hours Wednesday. What is the total number of hours that she practiced?A) hours B) hours C) hours D) 6 hoursComplete the statement, using the symbol < or >. 0.6A) > B) <Jon spent of his study time doing math homework and preparing for a history exam. What fraction of his study time remains?A) B) C) D)

- 7The length of stay (in hours) for a sample of 12 pneumonia patients at Santa Theresa Memorial Hospital was found to have a mean of 126 hours and a standard deviation of 21.663 hours
The length of stay (in hours) for a sample of 12 pneumonia patients at Santa Theresa Memorial Hospital was found to have a mean of 126 hours and a standard deviation of 21.663 hours. Find the 90 percent confidence interval on the standard deviation of the length of stay.

- 8Equation d= 70t represents the distance, in miles, covered after traveling at 70mph for t hours make a table that shows the distance traveled, according to this equation,for every half hour between 0 hours and 4 hours
- 9At one school, the average amount of time that tenth-graders spend watching television each week is 18.4 hours
At one school, the average amount of time that tenth-graders spend watching television each week is 18.4 hours. The principal introduces a campaign to encourage the students to watch less television. One year later, the principal wants to perform a hypothesis test to determine whether the average amount of time spent watching television per week has decreased. Formulate the null and alternative hypotheses for the study described.

- 10At one school, the average amount of time that tenth-graders spend watching television each week is 18.4 hours
At one school, the average amount of time that tenth-graders spend watching television each week is 18.4 hours. The principal introduces a campaign to encourage the students to watch less television. One year later, the principal wants to perform a hypothesis test to determine whether the average amount of time spent watching television per week has decreased. Formulate the null and alternative hypotheses for the study described

- 11sheila practiced 1 1/2 hours monday, 3 3/4 hours tueday, and 2 1/4 hours wednesday
sheila practiced 1 1/2 hours monday, 3 3/4 hours tueday, and 2 1/4 hours wednesday. what is the toatl number of hours that she practiced?

- 12Shella practiced 1-1/2 hours Monday, 3-3/4 hours Tuesday, and 2-1/2 hours Wednesday
Shella practiced 1-1/2 hours Monday, 3-3/4 hours Tuesday, and 2-1/2 hours Wednesday. What is the total number of hours that she practiced?