Which situation best illustrates the concept of scarcity? a class designing and selling calendars
a cook learning to be an executive chef
a friend buying a copy of a popular DVD
a person buying a used car due to limited income

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.

Peyton taylor drew a map with scale 1 cm to 10 miles. on his map, the distance between silver city and golden canyon is 3.75 cm. what is the actual distance between silver city and golden canyon?

Pederson company reported the following: manufacturing costs $480,000 units manufactured 8,000 units sold 7,500 units sold for $90 per unit beginning inventory 2,000 units what is the average manufacturing cost per unit? (round the answer to the nearest dollar.)