Suppose tim spends his entire income on hot dogs and hamburgers and consumes at least some of both. now suppose that the price of hot dogs increases while the price of hamburgers remains the same. if tim is compensated so that his utility is held constant, which of the following must be true?
a. tim's utility remains the same.
b. tim is better off than he was.
c. tim consumes more hot dogs and fewer hamburgers.
d. tim consumes more hamburgers and fewer hot dogs.

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.

The role of the credit department includes: a. evaluating customers' credit applications to determine whether they meet the company's approval standards. b. approving all credit applications in order to avoid losing sales. c. collecting cash from customers. d. following unwritten approval standards for processing customers' credit applications.

Acountry made education free in mandatory up to age 15. it is established 100 new schools to educate kids across the country. as a result, citizens acquired the _ required to work. the school's generated _ for teachers and other staff. in 20 years, to countryside rapid _ and its gdp.