Last word) the inverse dependency ratio is predicted to fall to about 1.16 by 2050. what is the most likely effect of this decline? multiple choice it will likely cause worker productivity to decline. the social security system will be on stronger financial footing. innovation will increase significantly as dependents take advantage of their otherwise idle time. living standards will fall if productivity gains don't sufficiently offset the decline in the ratio.

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.

Compare the sources of consumer credit(there's not just one answer)1. consumers use a prearranged loan using special checks2. consumers use cards with no interest and non -revolving balances3. consumers pay off debt and credit is automatically renewed4. consumers take out a loan with a repayment date and have a specific purposea. travel and entertainment creditb. revolving check creditc. closed-end creditd. revolving credit

4.     chef a says that broth should be brought to a boil. chef b says that broth should be kept at an even, gentle simmer. which chef is correct? a. neither chef is correct. b. chef a is correct. c. both chefs are correct. d. chef b is correct. student c   incorrect which is right answer