Sam is training for a triathlon, a timed race that combines swimming, biking, and running. Consider the following sentence: In order to swim for an hour, Sam must take time away from work, where he earns $10 per hour. This is in addition to paying a $5 entrance fee for the pool. Which basic principle of individual choice do these statements best illustrate? The cost of something is what you give up to get it. Markets are usually a good way to organize economic activity. People usually exploit opportunities to make themselves better off. Trade can make everyone better off.

Acompany is developing a new high­performance wax for cross country ski racing. in order to justify the price marketingwants, the wax needs to be very fast. specifically, the mean time to finish their standard test course should be less thanseconds for a former olympic champion. to test it, the champion will ski the course 8 times. the champion's times(selected at random) are 59.9 61.9 48.8 52.2 46.6 45.3 50.6 and 41.1 seconds to complete the test course. complete parts a and b below.a) should they market the wax? assume the assumptions and conditions for appropriate hypothesis testing are metfor the sample.assume=0.05. what are the null and alternative hypotheses? choose the correct answer below.b) suppose they decide not to market the wax after the test, but it turns out that the wax really does lower the champion'saverage time to less thanseconds. what kind of error have they made? explain the impact to the company of such anerror.

Trey morgan is an employee who is paid monthly. for the month of january of the current year, he earned a total of $4,538. the fica tax for social security is 6.2% of the first $118,500 earned each calendar year, and the fica tax rate for medicare is 1.45% of all earnings for both the employee and the employer. the amount of federal income tax withheld from his earnings was $680.70. his net pay for the month is .

When peter metcalf describes black diamond’s manufacturing facility in china as a “greenfield project,” he means that partnered with a chinese company to buy the plant . of all market entry strategies, this one carries the lowest risk. because black diamond manufactures its outdoor sports products outside the united states, what risks must its managers be aware of?